WO2017110920A1 - 螺合部材締結工具および螺合部材締結工具における駆動時間設定方法 - Google Patents
螺合部材締結工具および螺合部材締結工具における駆動時間設定方法 Download PDFInfo
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- WO2017110920A1 WO2017110920A1 PCT/JP2016/088202 JP2016088202W WO2017110920A1 WO 2017110920 A1 WO2017110920 A1 WO 2017110920A1 JP 2016088202 W JP2016088202 W JP 2016088202W WO 2017110920 A1 WO2017110920 A1 WO 2017110920A1
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- time
- speed
- screwing member
- tightening
- driving time
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
- B25B23/147—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for electrically operated wrenches or screwdrivers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
- B25B21/008—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose with automatic change-over from high speed-low torque mode to low speed-high torque mode
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
Definitions
- the present invention relates to a screwing member fastening tool for fastening a screwing member such as a screw or a nut, and a driving time setting method for the screwing member fastening tool.
- a screwing member tightening tool for tightening a screwing member such as a screw or a nut is known in which the tightening torque of the screwing member is adjusted to an appropriate magnitude.
- the tool disclosed in Patent Document 1 has a mechanical clutch mechanism, and torque adjustment is performed by this clutch mechanism. Specifically, when the screw member is seated and a torque greater than a predetermined value is applied to the clutch mechanism, the clutch mechanism works to release the mechanical connection between the motor and the screw member engaging tool such as a driver bit. Thus, no more torque acts on the screwing member.
- the one using the above-mentioned clutch mechanism tends to be large and heavy by providing a mechanical structure constituting the clutch mechanism. Therefore, in order to make the tool small and lightweight, no mechanical clutch mechanism is provided, and the torque applied to the motor is electrically detected by a current sensor or a torque sensor that detects the current flowing through the motor, and the torque at the time of seating The one that adjusts is also being developed. In such a tool, it is detected that the tightening of the screwing member is completed by electrically detecting torque, and the driving of the motor is stopped. Since the force is received by the screwing member, an excessive force is applied to the screwing member and the screwing member and the fastened object may be damaged.
- the screw is started by being driven to rotate at a relatively high speed, and the rotational speed is set so that an excessive torque is not applied to the screw member before the screw member is seated. In some cases, the screwing member is tightened after the speed is reduced.
- the rotational drive is driven at a relatively high speed, and the rotational drive is decelerated before the screwing member is seated.
- the driving time until the switching of the rotational speed is too long, the screwing member may be seated in a high-speed rotation state and the screwing member or the like may be damaged. Configuration should be done carefully.
- the driving time is too short, the time required for completing the tightening of the screwing member becomes long and the working efficiency is deteriorated. Therefore, before setting the drive time until the rotation speed is switched to an appropriate time, before tightening the actual product, etc., repeat the tightening operation with the test screw many times. It is necessary to make settings. Such setting of the driving time needs to be performed every time the type of the screwing member is changed, and is complicated.
- the present invention provides a screwing member tightening tool and a driving time setting method thereof that can more easily set the driving time until switching from high speed rotation to low speed rotation.
- the present invention An electric motor for rotationally driving a screwing member engaging tool that engages with the screwing member, a control unit that performs drive control of the electric motor, and detecting that the screwing member is fastened to an object to be fastened
- a tightening detection unit and the control unit rotates at a predetermined low rotation speed that is slower than the high rotation speed after the screwing member engaging tool is rotated at a predetermined high rotation speed for a high-speed driving time.
- a screwing member tightening tool adapted to control the electric motor,
- the control unit drives and controls the electric motor so that the screwing member engaging tool is rotationally driven at a set rotational speed, and tightening of the screwing member engaged with the screwing member engaging tool is performed by the tightening.
- the tightening time required until it is detected by the attachment detector is measured, and the initial value is set by multiplying the tightening time by a value obtained by dividing the set rotational speed by the high rotational speed and a predetermined positive value less than 1.
- a screwing member fastening tool which calculates time and sets the initial setting time to the high-speed driving time.
- the screwing member tightening tool a value obtained by measuring the tightening time of the screwing member when the screwing member engaging tool is rotationally driven at the set rotational speed, and dividing the set rotational speed by the high rotational speed. And an initial setting time obtained by multiplying the fastening time by a predetermined positive value less than 1 is set as the high-speed driving time. Since the high-speed driving time set in this way is shorter than the time required to fasten the screwing member to the fastened object when the same screwing member is screwed at a high rotational speed, When the screwing member is tightened by the set high-speed driving time, the screwing member is basically not fastened to the object to be fastened while being rotated at a high rotational speed. In the screwing member tightening tool, an appropriate high-speed driving time is automatically set by performing the tightening operation once at the set rotational speed. There is no need to perform complicated operations such as setting the time by repeatedly performing the tightening operation with the screwing member.
- It further comprises operation input means for transmitting a set time change signal to the control unit,
- the control unit receives the set time change signal, it calculates a first reset time by adding a predetermined adjustment time to the high-speed drive time or subtracting from the high-speed drive time, and the high-speed drive
- the first reset time can be reset to the time.
- control unit further comprises operation input means for transmitting a set time change signal to the control unit,
- control unit calculates a first reset time by increasing or decreasing the high speed drive time by a predetermined ratio of the high speed drive time, and the high speed drive The first reset time can be reset to the time.
- the control unit measures a low-speed driving time required from when the high-speed driving time elapses until the tightening detection unit detects the tightening of the screwing member, and sets the low rotational speed at the high rotational speed.
- a first resetting time is calculated by adding or subtracting from the high-speed driving time an adjustment time obtained by multiplying the low-speed driving time by a value obtained by dividing the value and a predetermined positive value less than 1 The first resetting time can be reset to the high-speed driving time.
- the driving time required for tightening is strictly different for each screw member even if the same type of screw member. Further, the required drive time varies depending on the initial arrangement of the screwing member on the object to be fastened and the variation in the rotational speed and acceleration / deceleration of the electric motor. Therefore, the high-speed driving time set by the initial setting time obtained by the above calculation may not necessarily be the optimal time. In such a case, the high-speed driving time is reset by the first resetting time as described above, so that the high-speed driving time is set to a more optimal time while the screwing member is tightened. Is possible.
- control unit subtracts a predetermined adjustment time from the high-speed driving time when the tightening detection unit detects the tightening of the screwing member before the high-speed driving time elapses. It is possible to calculate the second resetting time and reset the second resetting time to the high-speed driving time.
- the control unit multiplies the high-speed driving time by a predetermined positive value less than 1. It is possible to calculate the second resetting time and reset the second resetting time to the high-speed driving time.
- Such a configuration makes it possible to automatically correct an inappropriate state in which the screwing member is tightened during rotation at a high rotation speed.
- the present invention also provides An electric motor for rotationally driving a screwing member engaging tool that engages with the screwing member, and a control unit that performs drive control of the electric motor, and the control unit includes the screwing member engaging tool.
- the screwing member tightening is adapted to control the electric motor so that the electric motor is rotated at a predetermined low rotational speed that is slower than the high rotational speed after being rotated at a predetermined high rotational speed for a high speed driving time.
- a driving time setting method for setting the high-speed driving time in a tool A step of rotating the screwing member engaging tool at a set rotation speed and measuring a tightening time required until the screwing member engaged with the screwing member engaging tool is fastened to an object to be fastened; When, Multiplying the tightening time by a value obtained by dividing the set rotational speed by the high rotational speed and a predetermined positive value less than 1, and calculating an initial set time; Setting the initial setting time to the high-speed driving time; A driving time setting method is provided.
- the fastening time of the screwing member when the screwing member engaging tool is driven to rotate at the set rotational speed is measured, and a value obtained by dividing the set rotational speed by the high rotational speed and a predetermined value.
- the initial setting time obtained by multiplying the tightening time by a positive value less than 1 is set as the high-speed driving time.
- the high-speed driving time set in this way is shorter than the time required for fastening the screwing member to the fastened object when the screwing member is screwed at a high rotational speed.
- the drive time setting method by performing the tightening operation at the set rotational speed once, it is possible to easily set a suitable high-speed drive time based on the tightening time at that time. There is no need for the operator to perform complicated operations such as setting the time by repeatedly performing the tightening operation with the test screw member.
- Calculating a first resetting time by adding a predetermined adjustment time to the high-speed driving time or subtracting from the high-speed driving time; Resetting the first reset time to the fast drive time; Can be further included.
- the high-speed driving time set by the initial setting time obtained by the above calculation is not necessarily the optimum time.
- the high-speed driving time is reset by the first resetting time as described above.
- the high speed driving time is multiplied by a predetermined positive value less than 1. Calculating the second resetting time; Resetting the second reset time to the fast drive time; Can be further included.
- This method makes it possible to easily correct an inappropriate state in which the screwing member is tightened during rotation at a high rotation speed.
- FIG. 1 It is a figure showing the electric driver device concerning one embodiment of the present invention. It is a functional block diagram of the electric driver apparatus shown in FIG. It is a flowchart which shows the operation
- the electric driver device 1 according to an embodiment of the screwing member fastening tool of the present invention includes an electric driver main body 10 and a controller 30 as shown in FIGS.
- the electric driver body 10 and the controller 30 are connected by a cable 2 (not shown in FIG. 1) so that various signals can be communicated with each other.
- the electric driver main body 10 includes a housing 12, a driver bit (screw member engaging tool) 14 that engages with a screw (screw member), a bit holder 16 that removably fixes and holds the driver bit 14, and a bit holder.
- 16 includes a trigger lever 18 that operates to start and stop driving, and a connection terminal 20 to which the cable 2 is connected.
- the controller 30 is provided with a dial 34 as an operation input means for setting various settings of the electric driver main body in addition to a display unit 32 for indicating various states of the electric driver main body 10.
- a connection terminal 36 to which the cable 2 is connected is also provided.
- the controller 30 further includes a control unit 38 that controls output to the display unit 32, input from the dial 34, and communication with the electric driver main body 10.
- the dial 34 has an incremental rotary encoder, and there is a click feeling every time the dial 34 is rotated by a predetermined angle (20 degrees), and the A phase pulse signal and the B phase pulse signal are transmitted to the control unit 38 each time. ing. Push-in operation is also possible.
- the electric driver device 1 shifts from the driving mode to the setting mode, and the setting items are displayed on the display unit 32.
- the display item is changed by rotating the dial 34.
- the dial 34 is pressed for a short time (less than 1 second) at the item to be changed, the item can be changed. By rotating the dial 34 in that state, the item can be changed.
- the setting value of the item can be changed.
- the dial 34 is pressed again for a short time after changing to an arbitrary setting, the setting is confirmed.
- the dial 34 is pressed for a long time when all the settings are completed, the setting mode is completed and the mode returns to the drive mode.
- the electric driver device 1 is driven by rotating the driver bit 14 first at a predetermined high rotation speed (for example, 500 rpm).
- a predetermined high-speed driving time elapses from the start, the rotational speed is reduced to a low rotational speed (for example, 100 rpm).
- the control unit 24 starts driving the electric motor 22.
- the electric motor 22 is controlled by the control unit 24 so that the driver bit 14 rotates at a preset high rotation speed (S12).
- the rotational speed of the electric motor 22 is measured by the hall element 26.
- the rotational driving of the driver bit 14 at a high rotational speed is continued until the high-speed driving time set by the method described later elapses (S18). If the ON state of the trigger lever 18 is released before the high-speed driving time elapses (S14), or if it is detected that the screw is seated and tightened (S16), the screw is tightened normally.
- the controller 24 determines that it has not been completed, and stops the driving of the electric motor 22 (S28). When the high-speed driving time has elapsed (S18), the control unit 24 controls driving of the electric motor 22 so that the driver bit 14 is rotationally driven at a preset low rotational speed (S20).
- the rotational driving of the driver bit 14 at the low rotational speed is continued until it is detected that the screw is seated and tightened (S24).
- the ON state of the trigger lever 18 is released before the tightening of the screw is detected (S22)
- the control unit 24 stops driving the electric motor 22.
- S24 When screw tightening is detected during driving at a low rotational speed (S24), it is determined that screw tightening has been completed normally, and the control unit 24 stops driving the electric motor 22 (S26).
- the screw tightening is detected by the hall element 26 or the current sensor 28. That is, when the screw is tightened, the driver bit 14 cannot be rotated any more, and the rotation of the electric motor 22 is stopped accordingly.
- the Hall element 26 detects the rotation stop state of the electric motor 22. It can be determined that the screw is tightened. Further, when the rotation of the electric motor 22 is stopped, a large current flows through the electric motor 22, and it can be determined that the screw is tightened by measuring the magnitude of this current with the current sensor 28. A torque sensor is provided in place of the Hall element 26 and the current sensor 28 as the tightening detection unit, the torque applied to the driver bit 14 or the electric motor 22 is measured, and the screw is tightened according to the measured torque magnitude. Can also be detected.
- the driver bit 14 is driven to rotate at a predetermined high rotation speed for a high-speed driving time, and then is rotated at a low rotation speed to tighten a screw. Yes. That is, first fast tightening within a range where the screw does not sit at a high rotational speed, and when the screw is tightened, the screw and the object to be fastened are decelerated to a low rotational speed so that no excessive torque is applied to the screw and the screw to be fastened. It is seated and tightened. When the screw is seated and tightened, the rotation of the driver bit 14 and the electric motor 22 is rapidly decelerated, so that the screw receives an inertial force of the driver bit 14 and the electric motor 22.
- the low rotational speed should be set to a speed at which an appropriate torque is applied to the screw. Is done.
- the screws are tightened during the rotational drive at a high rotational speed, the screws may be damaged. It is necessary to set the time carefully so as not to be seated.
- the high-speed driving time is set as shown in the flowchart of FIG.
- the dial 34 is appropriately operated to switch the electric driver device 1 from the normal drive mode to the drive time setting mode which is one of the setting modes
- the trigger lever 18 is turned on to start the screw tightening operation ( S30).
- the control unit 24 controls the electric motor 22 so that the driver bit 14 is rotationally driven at a predetermined set rotational speed (for example, 100 rpm) (S32), and the Hall element 26 or the current sensor as a tightening detection unit Tightening time until screw tightening is detected by 28 is measured (S34).
- the control unit 24 calculates an initial setting time based on the measured tightening time (S36). Specifically, the initial setting time is calculated based on the following equation. For example, when the tightening time is 3 seconds, the set rotational speed is 100 rpm, the high rotational speed is 500 rpm, and an arbitrary constant (a positive number less than 1) is 0.5, the initial setting time obtained based on Equation 1 above is 0.3 seconds. The controller 24 sets an initial setting time (0.3 seconds) as the high-speed driving time (S38).
- the screw tightening operation is performed according to the normal screw tightening operation shown in the flowchart of FIG. 3 (S40, S10-S28).
- the control unit 24 measures the time from when the high-speed driving time elapses until the tightening of the screw is detected, that is, the low-speed driving time during driving at a low rotational speed (S40).
- the operator who performed the screw tightening operation determines whether or not the high-speed driving time is appropriate (S42), and if it is appropriate, the controller 30 is appropriately operated to end the driving time setting mode. If not appropriate, the controller 30 is appropriately operated to shift to the drive time adjustment mode (S44).
- the drive time adjustment mode includes first to third modes in which the high speed drive time is manually adjusted by the dial 34 of the controller 30, and a fourth mode in which the high speed drive time is automatically adjusted by calculation by the control unit 24. Before shifting to the drive time adjustment mode, one of these four modes can be arbitrarily selected and set.
- the control unit 24 receives a set time change signal transmitted from the dial 34 every time the dial 34 is rotated by a predetermined angle (20 degrees), and each time the dial 34 is rotated by the predetermined angle.
- the reset time (first reset time) is calculated by adding 10 ms to the high speed drive time or subtracting from the high speed drive time, and reset the reset time to the high speed drive time.
- the resetting time is calculated by increasing or decreasing the high-speed driving time by an arbitrary predetermined ratio of the high-speed driving time according to the rotation amount of the dial 34, and this resetting time is calculated as the high-speed driving time. To reset.
- the control unit 24 adds or subtracts from the high-speed driving time an adjustment time arbitrarily set per predetermined angle of the dial 34 according to the rotation amount of the dial 34.
- the reset time is calculated, and the reset time is reset to the high-speed driving time.
- the adjustment time is fixed at 10 ms and cannot be changed, but in the third mode, the adjustment time can be arbitrarily set.
- the control unit 24 calculates the adjustment time based on the low speed driving time that has already been measured in S40. Specifically, the resetting time is calculated based on the following formula. For example, when the low-speed driving time is 0.3 s, the low-speed rotation speed is 100 rpm, the high rotation speed is 500 rpm, and an arbitrary constant (a positive number less than 1) is 0.2, the adjustment time obtained based on the above Equation 2 is 12 ms.
- the control unit 24 obtains a reset time (0.312 s) by adding this adjustment time to the already set high speed drive time, and resets the reset time to the high speed drive time. Even in the fourth mode, when the resetting time is obtained, it may be possible to select whether the adjustment time is added from the high-speed driving time or subtracted from the high-speed driving time.
- the fourth mode cannot be selected in the subsequent drive time adjustment mode, and any one of the first to third modes is selected. It will be.
- the process proceeds to the drive time automatic adjustment mode (S52).
- a reset time (second reset time) is calculated by subtracting a predetermined adjustment time (for example, 10 ms) from the high speed drive time (for example, 0.33 s), and this reset time is set to the high speed drive time. Reset the set time (0.32 s).
- a high-speed driving time is calculated by multiplying a high-speed driving time (for example, 0.33 s) by an arbitrary constant (for example, 0.95) that is a positive number less than 1 to calculate a reset time (0.3135 s). This reset time (0.3135 s) is reset.
- the normal screw tightening operation shown in the flowchart of FIG. 3 is performed again (S54, S10-S28), and whether or not the worker who performed the screw tightening operation has reset the high-speed driving time is appropriate. (S50), and if appropriate, the controller 30 is appropriately operated to end the drive time setting mode. If not appropriate, the controller 30 is appropriately operated to shift to the drive time adjustment mode again (S44). Since the low-speed drive time is not measured in the screw tightening operation of S54, the fourth mode cannot be selected in the subsequent drive time adjustment mode, and any one of the first to third modes is selected. It will be.
- the high-speed driving time can be automatically set by the control unit 24 based on the tightening time at the time of screw tightening operation at the set rotational speed in the steps S30 to S38 described above. In most cases, this setting allows the high-speed drive time to be an appropriate time, so the operator can set the high-speed drive time by trial and error by repeatedly tightening the screw with the test screw. do not have to.
- the set rotation speed is set to the same speed as the low rotation speed used in the actual production line, the torque during tightening will be appropriate to the standard in the production line, so the drive time setting mode Even so, it is possible to tighten the screw to the product as part of the assembly work of the actual product rather than the screw and the object to be fastened prepared for setting. That is, it is not necessary to perform a screw tightening operation only for setting.
- the electric driver device 1 when the high-speed driving time set by the above-described initial setting time is not appropriate or does not match the operator's work feeling, high-speed driving is performed in the driving time adjustment mode (S44). You can also adjust the time. In this drive time adjustment mode, the operator can adjust the high-speed drive time sensuously while performing the actual screw tightening operation, so that the adjustment can be performed easily and quickly.
- the electric driver apparatus 1 which is a tool which fastens a screw is demonstrated as one Example of the screwing member fastening tool of this invention
- other screwing members such as a nut
- the tightening time is measured by detecting the tightening of the screw by the Hall element 26 or the current sensor 28 as the tightening detection unit.
- the fastening time may be measured by other methods such as.
- the control unit 24 performs the calculation of the initial setting time. However, the calculation may be performed by another external device based on Equation 1 and input to the electric driver device 1 or The operator himself may perform calculation and input to the electric driver device 1.
- the operation input means for inputting the adjustment time in the drive time adjustment mode is the dial 34.
- the adjustment time increases and the other Other types of operation input means may be used in which adjustment time is reduced by pressing.
- the adjustment time may be input by an input signal from another external device.
- the electric driver main body and the controller may be integrated. Note that the specific values such as the high rotation speed, the low rotation speed, and the arbitrary constant shown in the above embodiment are exemplary and can be arbitrarily set as appropriate.
- Electric driver device 1 cable 2; Electric driver main body 10; housing 12; driver bit 14; bit holder 16; trigger lever 18; connection terminal 20; electric motor 22; Controller 30; Display unit 32; Dial 34; Connection terminal 36;
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Abstract
Description
螺合部材に係合する螺合部材係合具を回転駆動するための電動モータと、該電動モータの駆動制御を行う制御部と、螺合部材が被締結物に締め付けられたことを検出する締付検出部とを備え、該制御部が、該螺合部材係合具が所定の高回転速度で高速駆動時間だけ回転駆動した後に該高回転速度よりも遅い所定の低回転速度で回転駆動するように、該電動モータを制御するようにされた、螺合部材締付工具であって、
該制御部が、該螺合部材係合具が設定回転速度で回転駆動するように該電動モータを駆動制御し、該螺合部材係合具に係合された螺合部材の締め付けが該締付検出部によって検出されるまでに要した締付時間を計測し、該設定回転速度を該高回転速度で除した値と所定の1未満の正数値とを該締付時間に乗じて初期設定時間を演算して、該高速駆動時間に該初期設定時間を設定するようにされた、螺合部材締付工具を提供する。
該制御部に設定時間変更信号を送信する操作入力手段をさらに備え、
該制御部が、該設定時間変更信号を受信したときに、所定の調整時間を該高速駆動時間に加算又は該高速駆動時間から減算することにより第1再設定時間を演算して、該高速駆動時間に該第1再設定時間を再設定するようにすることができる。
該制御部に設定時間変更信号を送信する操作入力手段をさらに備え、
該制御部が、該設定時間変更信号を受信したときに、該高速駆動時間の所定割合の分だけ該高速駆動時間を増加又は減少させることにより第1再設定時間を演算して、該高速駆動時間に該第1再設定時間を再設定するようにすることができる。
該制御部が、該高速駆動時間が経過してから該締付検出部によって螺合部材の締め付けが検出されるまでに要した低速駆動時間を計測し、該低回転速度を該高回転速度で除した値と所定の1未満の正数値とを該低速駆動時間に乗じて求めた調整時間を該高速駆動時間に加算又は該高速駆動時間から減算することにより第1再設定時間を演算して、該高速駆動時間に該第1再設定時間を再設定するようにすることができる。
螺合部材に係合する螺合部材係合具を回転駆動するための電動モータと、該電動モータの駆動制御を行う制御部と、を備え、該制御部が、該螺合部材係合具が所定の高回転速度で高速駆動時間だけ回転駆動した後に該高回転速度よりも遅い所定の低回転速度で回転駆動するように、該電動モータを制御するようにされた、螺合部材締付工具において該高速駆動時間を設定する駆動時間設定方法であって、
該螺合部材係合具を設定回転速度で回転駆動させて、該螺合部材係合具に係合された螺合部材が被締結物に締め付けられるまでに要した締付時間を計測するステップと、
該設定回転速度を該高回転速度で除した値と所定の1未満の正数値とを該締付時間に乗じて初期設定時間を演算するステップと、
該高速駆動時間に該初期設定時間を設定するステップと、
を含む、駆動時間設定方法を提供する。
該設定するステップの後に、
所定の調整時間を該高速駆動時間に加算又は該高速駆動時間から減算することにより第1再設定時間を演算するステップと、
該高速駆動時間に該第1再設定時間に再設定するステップと、
をさらに含むようにすることができる。
該設定するステップの後に、
該高速駆動時間の所定割合の分だけ該高速駆動時間を増加又は減少させることにより第1再設定時間を演算するステップと、
該高速駆動時間に該第1再設定時間に再設定するステップと、
をさらに含むようにすることができる。
該設定するステップの後に、
該螺合部材締付工具で螺合部材の締め付け作業を行って、該高速駆動時間が経過してから螺合部材が被締結物に締め付けられるまでに要した低速駆動時間を計測するステップと、
該低回転速度を該高回転速度で除した値と所定の1未満の正数値とを該低速駆動時間に乗じて求めた調整時間を該高速駆動時間に加算又は該高速駆動時間から減算して第1再設定時間を演算するステップと、
該高速駆動時間を該第1再設定時間に再設定するステップと、
をさらに含むようにすることができる。
該螺合部材締付工具で螺合部材の締め付け作業を行って該高速駆動時間が経過する前に螺合部材が締め付けられたときに、該高速駆動時間から所定の調整時間を減算することにより第2再設定時間を演算するステップと、
該高速駆動時間に該第2再設定時間を再設定するステップと、
をさらに含むようにすることができる。
該螺合部材締付工具で螺合部材の締め付け作業を行って該高速駆動時間が経過する前に螺合部材が締め付けられたときに、該高速駆動時間に所定の1未満の正数値を乗じて第2再設定時間を演算するステップと、
該高速駆動時間に該第2再設定時間に再設定するステップをと、
をさらに含むようにすることができる。
電動ドライバ本体10;ハウジング12;ドライバビット14;ビットホルダ16;トリガレバー18;接続端子20;電動モータ22;制御部24;ホール素子26;電流センサ28;
コントローラ30;表示部32;ダイヤル34;接続端子36;制御部38
Claims (12)
- 螺合部材に係合する螺合部材係合具を回転駆動するための電動モータと、該電動モータの駆動制御を行う制御部と、螺合部材が被締結物に締め付けられたことを検出する締付検出部とを備え、該制御部が、該螺合部材係合具が所定の高回転速度で高速駆動時間だけ回転駆動した後に該高回転速度よりも遅い所定の低回転速度で回転駆動するように、該電動モータを制御するようにされた、螺合部材締付工具であって、
該制御部が、該螺合部材係合具が設定回転速度で回転駆動するように該電動モータを駆動制御し、該螺合部材係合具に係合された螺合部材の締め付けが該締付検出部によって検出されるまでに要した締付時間を計測し、該設定回転速度を該高回転速度で除した値と所定の1未満の正数値とを該締付時間に乗じて初期設定時間を演算して、該高速駆動時間に該初期設定時間を設定するようにされた、螺合部材締付工具。 - 該制御部に設定時間変更信号を送信する操作入力手段をさらに備え、
該制御部が、該設定時間変更信号を受信したときに、所定の調整時間を該高速駆動時間に加算又は該高速駆動時間から減算することにより第1再設定時間を演算して、該高速駆動時間に該第1再設定時間を再設定するようにされた、請求項1に記載の螺合部材締付工具。 - 該制御部に設定時間変更信号を送信する操作入力手段をさらに備え、
該制御部が、該設定時間変更信号を受信したときに、該高速駆動時間の所定割合の分だけ該高速駆動時間を増加又は減少させることにより第1再設定時間を演算して、該高速駆動時間に該第1再設定時間を再設定するようにされた、請求項1に記載の螺合部材締付工具。 - 該制御部が、該高速駆動時間が経過してから該締付検出部によって螺合部材の締め付けが検出されるまでに要した低速駆動時間を計測し、該低回転速度を該高回転速度で除した値と所定の1未満の正数値とを該低速駆動時間に乗じて求めた調整時間を該高速駆動時間に加算又は該高速駆動時間から減算することにより第1再設定時間を演算して、該高速駆動時間に該第1再設定時間を再設定するようにされた、請求項1に記載の螺合部材締付工具。
- 該制御部が、該高速駆動時間が経過する前に該締付検出部によって螺合部材の締め付けが検出されたときに、該高速駆動時間から所定の調整時間を減算することにより第2再設定時間を演算して、該高速駆動時間に該第2再設定時間を再設定するようにされた、請求項1乃至4のいずれか一項に記載の螺合部材締付工具。
- 該制御部が、該高速駆動時間が経過する前に該締付検出部によって螺合部材の締め付けが検出されたときに、該高速駆動時間に所定の1未満の正数値を乗じて第2再設定時間を演算して、該高速駆動時間に該第2再設定時間を再設定するようにされた、請求項1乃至4のいずれか一項に記載の螺合部材締付工具。
- 螺合部材に係合する螺合部材係合具を回転駆動するための電動モータと、該電動モータの駆動制御を行う制御部と、を備え、該制御部が、該螺合部材係合具が所定の高回転速度で高速駆動時間だけ回転駆動した後に該高回転速度よりも遅い所定の低回転速度で回転駆動するように、該電動モータを制御するようにされた、螺合部材締付工具において該高速駆動時間を設定する駆動時間設定方法であって、
該螺合部材係合具を設定回転速度で回転駆動させて、該螺合部材係合具に係合された螺合部材が被締結物に締め付けられるまでに要した締付時間を計測するステップと、
該設定回転速度を該高回転速度で除した値と所定の1未満の正数値とを該締付時間に乗じて初期設定時間を演算するステップと、
該高速駆動時間に該初期設定時間を設定するステップと、
を含む、駆動時間設定方法。 - 該設定するステップの後に、
所定の調整時間を該高速駆動時間に加算又は該高速駆動時間から減算することにより第1再設定時間を演算するステップと、
該高速駆動時間に該第1再設定時間に再設定するステップと、
をさらに含む、請求項7に記載の駆動時間設定方法。 - 該設定するステップの後に、
該高速駆動時間の所定割合の分だけ該高速駆動時間を増加又は減少させることにより第1再設定時間を演算するステップと、
該高速駆動時間に該第1再設定時間に再設定するステップと、
をさらに含む、請求項7に記載の駆動時間設定方法。 - 該設定するステップの後に、
該螺合部材締付工具で螺合部材の締め付け作業を行って該高速駆動時間が経過してから螺合部材が被締結物に締め付けられるまでに要した低速駆動時間を計測するステップと、
該低回転速度を該高回転速度で除した値と所定の1未満の正数値とを該低速駆動時間に乗じて求めた調整時間を該高速駆動時間に加算又は該高速駆動時間から減算して第1再設定時間を演算するステップと、
該高速駆動時間を該第1再設定時間に再設定するステップと、
をさらに含む、請求項7に記載の駆動時間設定方法。 - 該螺合部材締付工具で螺合部材の締め付け作業を行って該高速駆動時間が経過する前に螺合部材が締め付けられたときに、該高速駆動時間から所定の調整時間を減算することにより第2再設定時間を演算するステップと、
該高速駆動時間に該第2再設定時間を再設定するステップと、
をさらに含む、請求項7乃至10のいずれか一項に記載の駆動時間設定方法。 - 該螺合部材締付工具で螺合部材の締め付け作業を行って該高速駆動時間が経過する前に螺合部材が締め付けられたときに、該高速駆動時間に所定の1未満の正数値を乗じて第2再設定時間を演算するステップと、
該高速駆動時間に該第2再設定時間に再設定するステップをと、
をさらに含む、請求項7乃至10のいずれか一項に記載の駆動時間設定方法。
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| JP2017558208A JP6452856B2 (ja) | 2015-12-25 | 2016-12-21 | 螺合部材締結工具および螺合部材締結工具における駆動時間設定方法 |
| GB1809164.5A GB2559927B (en) | 2015-12-25 | 2016-12-21 | Threaded member tightening tool and drive time setting method for threaded member tightening tool |
| CN201680075663.7A CN108472795B (zh) | 2015-12-25 | 2016-12-21 | 螺合构件紧固连结工具及螺合构件紧固连结工具的驱动时间设定方法 |
| KR1020187017659A KR102102106B1 (ko) | 2015-12-25 | 2016-12-21 | 나사 결합 부재 체결 공구 및 나사 결합 부재 체결 공구에 있어서의 구동 시간 설정 방법 |
| DE112016005963.9T DE112016005963B4 (de) | 2015-12-25 | 2016-12-21 | Gewinde-Anziehwerkzeug und Verfahren zur Einstellung der Antriebszeit für ein Gewindeteil- bzw. Gewindeteil-Festziehwerkzeug |
| US16/002,484 US10661418B2 (en) | 2015-12-25 | 2018-06-07 | Threaded member tightening tool and drive time setting method for threaded member tightening tool |
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| JP2021142605A (ja) * | 2020-03-12 | 2021-09-24 | オムロン株式会社 | 作業工具 |
| JP7505212B2 (ja) | 2020-03-12 | 2024-06-25 | オムロン株式会社 | 作業工具 |
| JP2022090736A (ja) * | 2020-12-08 | 2022-06-20 | ベクトリックス株式会社 | タッピンねじ2段締付方法及びその方法によるタッピンねじ2段締付機 |
| JP7309683B2 (ja) | 2020-12-08 | 2023-07-18 | ベクトリックス株式会社 | タッピンねじ2段締付方法及びその方法によるタッピンねじ2段締付機 |
| CN115805551A (zh) * | 2021-09-14 | 2023-03-17 | 美克司株式会社 | 紧固工具 |
Also Published As
| Publication number | Publication date |
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| US10661418B2 (en) | 2020-05-26 |
| DE112016005963B4 (de) | 2021-12-30 |
| KR102102106B1 (ko) | 2020-04-20 |
| US20180281160A1 (en) | 2018-10-04 |
| JP6452856B2 (ja) | 2019-01-16 |
| TW201736054A (zh) | 2017-10-16 |
| TWI622468B (zh) | 2018-05-01 |
| GB2559927B (en) | 2021-11-10 |
| DE112016005963T5 (de) | 2018-09-20 |
| JPWO2017110920A1 (ja) | 2018-06-21 |
| CN108472795A (zh) | 2018-08-31 |
| CN108472795B (zh) | 2020-01-21 |
| GB2559927A (en) | 2018-08-22 |
| GB201809164D0 (en) | 2018-07-18 |
| KR20180087321A (ko) | 2018-08-01 |
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