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Production process of spinning handrail

A production process and technology of spinning bicycles, which are applied in sports accessories, training equipment for adjusting coordination, and devices for coating liquid on the surface, etc. Long life and good feel

Inactive Publication Date: 2010-10-27
浙江浩博运动器械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the disadvantages of short service life and non-environmental protection of the handrails in the existing production process of spinning handrails, the present invention provides a new production process of spinning handrails, which eliminates hidden dangers in quality, improves service life, and is beneficial to environmental protection

Method used

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  • Production process of spinning handrail
  • Production process of spinning handrail

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] refer to figure 1 , a production process for spinning handrails, which mainly includes the following steps: first, the metal worker chooses Q235 ordinary steel pipe as the base structure, and cuts the material according to the length given on the drawing (the equipment used is a sawing machine)——after the pipe is sawed Metalworking for pipe bending (a total of two bends, the equipment used is a pipe bender) - after two bends are bent, punching and forming (punching machine) - punching as required (punching machine) - grinding the surface of the handrail tube De-stabbing treatment;——Weld the handrail pipe 1, the handrail fixing piece 2, and the handle pipe plug 3 with the pre-made fixtures to form a semi-finished handrail (the fixture must be clamped in place, and all pressing hands must use upper clamps Tight)——Welding and correcting the semi-finished handrails to avoid uneven height of the handrails;——Degreasing (using alkaline degreasing powder)—Washing—Pickling (30% ...

Embodiment 2

[0018] The pre-baking temperature is 320° C., and the time is 20 minutes. The curing temperature is 180° C., and the time is 14 minutes. Others are the same as in Example 1.

Embodiment 3

[0020] The pre-baking temperature is 370° C., and the time is 14 minutes. The curing temperature is 200° C., and the time is 6 minutes. Others are the same as in Example 1.

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Abstract

The invention relates to a production process of a spinning handrail, mainly comprising the following steps of: firstly, preparing a handrail tube; secondly, welding the handrail tube with other accessories; thirdly, degreasing, washing, pickling, washing, surface conditioning, phosphating, washing and drying; fourthly, cleaning, spraying, solidifying and workpiece unloading; and fifthly, workpiece loading, preliminary drying, plastic coating, solidifying and workpiece unloading. The invention replaces application of conventional tearproof materials by adding a plastic coating process, the handrail is more beautiful by adopting a surface in the plastic coating process and has better hand feeling; the handrail tube has longer service life, is more environmental, completely accords with ROSH (EU Environmental Certificate), has no damage to a human, and avoids safety hidden dangers; during treatments before cleaning and spraying, two washing steps are added, thereby better cleaning superfluous substances on the surface of a product, enabling subsequent spraying to be convenient, and having better adhesive force and better spraying effect.

Description

(1) Technical field [0001] The invention belongs to the technical field of non-ferrous metal processing, and relates to the development and production process of the handrail of a spinning bicycle. (2) Background technology [0002] The existing spinning handrail production process mainly includes blanking - sawing tube - bending tube (two bends in total) - punch forming - punching - surface grinding to stab - welding - before spraying Treatment (degreasing—washing—pickling—surface conditioning—phosphating—drying)—cleaning (mainly due to uneven surface welds, false welding, etc.)—spraying—curing—using fixtures Fix it - use an air gun to blow the Tearbud into it (in the process of blowing, people have to forcefully insert the Tearbuk) - set it well Tearbuk, remove excess fingerprints and dirt on the surface of the product - use Wrap it in a PE bag and fix the opening with adhesive tape. This kind of process adopts the tear-proof inserting process, and the use of tear-proof ...

Claims

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Application Information

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IPC IPC(8): A63B22/08B05C3/02B05D3/00
Inventor 章竹娇
Owner 浙江浩博运动器械有限公司
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