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Manufacturing fixture

A jig and control plane technology used in the field of jig manufacturing

Active Publication Date: 2016-04-13
GM GLOBAL TECH OPERATIONS LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The second tapered locator pin has a second longitudinal axis

Method used

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  • Manufacturing fixture
  • Manufacturing fixture
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Embodiment Construction

[0135] In the manufacture of products from sheet metal, jigs are used to hold the sheet metal in a specific position for processing operations such as welding. Figure 1A and 1BAn existing fixture 15 is depicted. The workpiece 20 is placed on the fixture 15 to be held in a particular position and orientation for welding a component (not shown) to the workpiece 20 . A manufacturing system, such as a robotic arm, welds the part to the workpiece 20 in a determined position relative to the existing fixture 15 . Therefore, any change in the position of the workpiece 20 on the existing fixture 15 will cause a change in the position of the components welded to the workpiece 20 . The existing fixture 15 positions the workpiece 20 via cylindrical locator pins 16 , 17 and three locator pads 22 to restrain the workpiece.

[0136] For purposes of clarity in this disclosure, a Cartesian coordinate system 21 is defined relative to the fixture 15 . For the sake of clarity, the Cartesian c...

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PUM

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Abstract

A manufacturing fixture includes a rigid base defining a control plane. A first cone locator pin has a first longitudinal axis. The first cone locator pin is connected to the rigid base with the first longitudinal axis orthogonal to the control plane to engage a complementary locating aperture defined in a workpiece. The first cone locator pin engages the complementary locating aperture to locate the workpiece and constrain translation of the workpiece with respect to the control plane. A second cone locator pin has a second longitudinal axis. The second cone locator pin is connected to the rigid base with the second longitudinal axis orthogonal to the control plane to engage a complementary locating hole defined in a workpiece. The second cone locator pin engages the complementary locating hole to locate the workpiece and prevent rotation of the workpiece about the first longitudinal axis.

Description

technical field [0001] The present disclosure generally relates to manufacturing fixtures for releasably retaining components to make corrections to the components during manufacturing. Background technique [0002] In the manufacture of some assemblies, a part may be joined to another part. In some assemblies, one of the parts to be joined may be held in place by a clamp while the other part attached to this part is also held in the clamp. For example, a piece of metal can be held in the fixture and a weld nut can be welded to that piece of metal. The reduction in relative positional variation of the parts to be joined can increase the value of the assembly, reduce scratches, and increase the value of the product comprising the assembly. Contents of the invention [0003] The fabrication fixture includes a rigid base defining a control plane. The first tapered locator pin has a first longitudinal axis. A first tapered locator pin is connected to the rigid base with a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K37/04
CPCB23Q3/18B23K31/02B23K37/0408B23K2101/18B23Q1/621B25B11/02B23K37/0443
Inventor R·M·勒斯佩兰斯C·W·万普勒二世M·A·史密斯
Owner GM GLOBAL TECH OPERATIONS LLC