Production process for preventing pre-deformation of ceiling product

A production process and pre-deformation technology, applied in metal processing, upper structure, upper structure sub-assembly, etc., can solve problems such as complex process of automobile roof, weak market competitiveness, and low production efficiency, so as to achieve ingenious design and prevent Unglue phenomenon, improve the effect of product coordination

Inactive Publication Date: 2017-10-03
NANTONG CHAODA EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the process of car roof is complicated, which is tedious for novices, and there are many repeated processes in it, resulting in low production efficiency and weak market competitiveness; the areas that need to be pre-deformed for car roof products are generally A, B, and C. Column, front and rear edges, handle hole area

Method used

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  • Production process for preventing pre-deformation of ceiling product
  • Production process for preventing pre-deformation of ceiling product
  • Production process for preventing pre-deformation of ceiling product

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Embodiment Construction

[0021] Refer to attached Figure 1-8 , the production process of roof products to prevent pre-deformation, roof product design includes A-pillar area 1, B-pillar area 2, C-pillar area 3 and handle hole area 4, roof product 5 and A-pillar plastic parts 6, B-pillar plastic parts 7 or The contact surface of C-pillar plastic part 8 is surface A, and the opposite surface of ceiling A is surface C. The ceiling product 5 needs to be designed to prevent pre-deformation before production.

[0022] 1) In the A-pillar area 1, the contact position 9 of the A-pillar plastic part 6 and the A-side of the ceiling product 5 is artificially designed so that the A-pillar plastic part 6 and the A-side of the ceiling product 5 have an interference of 0.3 mm; at the R corner of the C-surface in this area 10 The roof product 5 is raised by 1.5mm;

[0023] 2) In the B-pillar area 2, the contact position 11 of the B-pillar plastic part 7 and the surface A of the ceiling product 5 is artificially desi...

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Abstract

The invention relates to a production process for preventing the pre-deformation of a ceiling product. The design of the ceiling product comprises an A-column area, a B-column area, a C-column area and a handle hole area, wherein the contact surface between the ceiling product and an A-column plastic part, a B-column plastic part or a C-column plastic part is a surface A; the reverse surface of the surface A of the ceiling is a surface C; and a design for preventing pre-deformation needs to be made for the ceiling product before production. The production process for preventing the pre-deformation of a ceiling product has the advantages that materials can be better fitted to a test tool after molding, and warping deformation of the product caused by resilience can be reduced; when two layers of materials are combined, the gap between molds is reduced, so that the two layers of materials can be better combined to prevent glue failure; in order to make sure that no gap exists between the product and an opponent part during loading, the product matching area is elevated, even interference design can be performed to ensure that the product is loaded without any gap between the product and the opponent part.

Description

technical field [0001] The invention relates to the production field of ceiling products, in particular to a production process for preventing pre-deformation of ceiling products. Background technique [0002] In addition to its energy-absorbing effect, the car roof also has properties such as flame retardancy, noise reduction, heat insulation, and easy recycling. Among them, flame retardancy, heat insulation and recycling are mainly guaranteed by the nature of the material itself, and noise reduction must be guaranteed by two aspects: material and design. [0003] At present, the process of car roof is complicated, which is tedious for novices, and there are many repeated processes in it, resulting in low production efficiency and weak market competitiveness; the areas that need to be pre-deformed for car roof products are generally A, B, and C. Column, front and rear edges, handle hole area. Contents of the invention [0004] In order to solve the above problems, the p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60R13/02B29C51/14B26F3/00
CPCB26F3/004B29C51/14B60R13/0212
Inventor 冯建军吴浩洪霏
Owner NANTONG CHAODA EQUIP CO LTD
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