DE2141368C - Dismountable mold - Google Patents

Description

3 ⁴

Fig. 2 is a cross section through the mold in pieces 8 inserted. Then in

Height of the screw after a cut H-II in the tabs 3, 4 the screws 5 enter

F i g 1, half-shells 1,2 by tightening the nuts 6 to-

F i g. 3 is a perspective view of a spacer clamped together until the ^. ^ Sfirfldrt " lo-

piece. 5 The lead wire 9 is slightly flattened, where

The casting mold consists, as from the Fi _K I and 2 with it sealingly in the parting line7, üie a

it can be seen, a _M s, two storey half-shells 1,2, at the other opposite dividing surfaces of the hoIb-

which mainly clings to the area of a floor IO shells 1,2. The so .p ^ ™ ^ .. ^ *;

and a mouth hole 11 congruently pierced shape is then ^together V / ^ d ,,, ™ y R

tabs 3, 4 are welded on, with brass original ^{bullet covers m die Gie} ^ ° l "^ ⁿ ^ _u f ^;

screws 5 and nuts 6 are clamped together a casting transport carriage and how. de

the. ^b 'Projectile shells filled with hot-liquid explosives

To achieve a parting line 7 of a defined width and in various warming or cooling bars aut br-

at the clamping points between the half-shells are rigid or room temperature.
1,2 inserted, in Fig. 3 shown distance / pieces 8 » ₅ for cutting through the solidified casting charge who ^

provided that a width Win win example, the screws 5,6 solved and the distance pieces 8

Have 3.5 mm. ' removed. Then the lead wire 9 is pulled out

A round sawing process is used to seal the parting lines 7

or elliptical lead wire 9, which provides a minimum even gap 7 for the saw so

passage thickness of, for example, 4 mm and with ao that only the explosives are announced. According to Pru-

Screwing together the half-shells 1, 2 on the casting charge on the structural structure and cracks

3.5 mm is compressed. and the explosive can be removed from voids again.

To cast a test object, the separating elements are melted, and both this and, above all, however

joint 7 between the half-shells 1,2 the lead wire 9 the casting mold 1,2 after corresponding Vorbenand-

and the spacing can be reused in the area of the clamping points.

1 sheet of drawings

Claims (4)

1 2 by sawing the explosive charge alone. This also enables an assessment of the 1. Can be dismantled, primarily from the original structure of the explosive filling, Lap sleeves produced, longitudinally divisible casting mold, 5 The casting molds are made in a known manner their half-shells for testing the solidified original bullet casings by dividing the explosive material in the middle on structure formation as well as and for pouring through all-round free voids and cracks under intermediate brackets. Sealing the beivon Sealants joined together as the undivided the half-shells against each other is made by the (Original) bullet sleeves with warning liquid io insertion of a corresponding seal on wood explosive poured out and, after solidification, cardboard or asbestos rock wool base. This method the explosives and loosening of the clamps or the like, but has two major disadvantages. On the one hand, long the butt joint are cut through, in the area of the surrounding cleat characterized in that, as sealing gauges, heat conductors differing from the original storey a deformable material in wire form 15 ratios, on the other hand, in the area of the separating service, whose thermal conductivity is roughly equal to the joint of the heat foot interrupted. As very after of the material (steel) of the casting molds. Finally, it turns out that the poetry 2. Casting mold according to claim 1, characterized in that it can only be removed with difficulty before sawing indicates that a lead wire is used as a sealant (9) is used. 20 hardly possible, one to insert a saw blade 3. Casting mold according to claims I and 2, ge tes necessary, correspondingly wide and all around characterized by achieving in the parting line (7) between evenly wide parting gaps. A the half-shells (1,2), primarily in the area of other separators of the casting charge, e.g. by Aus the clamping points insertable spacers (8). tear each other, but gives no clear information about 4. Casting mold according to claims I to 3, that the texture of the structure and is also safe characterized in that to refuse on the floor space reasons. Half-shells (1, 2), primarily in the area of an object of the invention, is therefore to To eliminate the housing bottom (10) and a mouth hole (II) shown deficiency and for the casting congruence Lugs (3, 4) are welded on, form in which the casting charge after solidification pierced and dismantled by means of screws (5) and 30 ren by sawing along the parting line Nuts (6) can be fastened to one another. should create sealing and connecting means, the thermal conditions largely corresponding to the original storey, d. H. simulate the solidification processes in the original storey as closely as possible 35 Heren. According to the invention this is achieved in that a deformable material in as a sealant Wire shape is used, its thermal conductivity about The invention relates to a dismountable, primarily the same as that of the material (steel) of the casting molds. Long-divisible 40 made from original bullet casings. One such material is lead, which is used in Casting mold, the half-shells of which can be inserted to test the shape of lead wire, stared explosives filling on structure formation Lead is not only sufficient as a sealing material as well as free of voids and cracks with interposed cuddly and deformable, but also in seivon Sealants put together, like undivided thermal conductivity very close to that of steel, so (Original) bullet shells with warm liquid explosive 45 that the heat flow at the parting line when pouring Substance poured out and is not interrupted after the solidification of the. Lead is also an explosive and loosening the clamps or the like. Longitudinally temperature-resistant, but easily entdered for sawing Butt joint are severed. remotely. It is already known that the explosives filling around a uniform gap width all around A projectile can be achieved non-destructively by means of an X-ray 50 separation joint, in addition to the lead test to check. This check gives a seal - primarily spacers from the outside however, it should only be inserted into the joint over larger voids and cracks. To connect the half-loop, but not about the structure and shells can be welded to these brackets, the solidification form of the explosive. which have holes through which the half It is also known to randomly connect 55 bowls with screws. Original projectile bodies filled with explosives by means of the die before joining and screwing cut transversely with an automatic hacksaw. of the half-shells inserted in addition to the lead seal The method is not only tedious, but on the one hand, spacers ensure that the manoeuvrable, as the projectile body is lost. Lead seal at no point too tightly A reliable and economical method 60 is squeezed, on the other hand, that round the to represents the aforementioned potting of the explosive introducing the saw required gap width safety material is disassembled in produced from original bullet casings. The invention is described below with reference to an in expiry like the other projectile shells filled and the embodiment shown in the drawing further treated, d. H. are cooled and thus explained 65 in more detail. It shows a comparable quality level of production F i g. 1 a longitudinal section through a closed, reproduce. According to the invention, the separable forms are abdem with round lead in wire form Solidification of the poured explosive, pre-sealed casting mold,