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Polytetrafluoro ethylene (PFA) spring and manufacture method thereof

A production method and spacing technology, applied in the direction of springs, etc., can solve the problems of easy falling off of the coating, failure of the spring to be found in time, and inability to use, etc., and achieve the effect of good corrosion resistance.

Active Publication Date: 2014-05-14
CHANGZHOU RUIZE MICROELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Springs are used in various occasions, and metal springs on the market cannot be used in corrosive liquids
If you want to use metal springs in corrosive liquids, the current method is to coat the springs with a layer of corrosion-resistant coating, but the coating is easy to fall off, so the reliability of use is not high, and sometimes the springs are corroded but cannot be repaired in time. Find

Method used

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  • Polytetrafluoro ethylene (PFA) spring and manufacture method thereof

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Embodiment Construction

[0016] See figure 1 , PFA spring of the present invention adopts PFA material. The width a of the above-mentioned PFA spring is 3.5-4.5 mm, and the distance b is 5-7 mm.

[0017] Above-mentioned PFA spring manufacture method has following steps:

[0018] 1) Select the PFA tube with the required diameter and cut it to a suitable length;

[0019] 2) Fix the cut PFA tube on the tooling, and cut the tube into spiral strips with a blade;

[0020] 3) Wind the spiral PFA strip on the shaping screw, put it into the oven, set the temperature at 250°C, and bake for 2 to 3 hours;

[0021] 4) Take out the spiral PFA strip from the oven, put it into pure water to cool, and obtain the PFA spring.

[0022] The shaping screw mandrel is made of metal in the above step 3), and the spacing of its grooves is the spacing of the springs made. That is, after the spiral cutting of the PFA tube is completed, the spiral PFA strip is screwed into the groove of the wire rod for positioning, and afte...

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Abstract

The invention relates to a spring made of novel materials and a manufacture method thereof, and aims at providing a corrosion-resistant polytetrafluoro ethylene (PFA) spring and the manufacture method thereof. The PFA spring is made of PFA, and the manufacture method comprises the following procedures: 1 choosing a PFA tube with required tube diameter, and cutting the tube into sections with proper length; 2 fixing the cut PFA tube on a fixture, and cutting the tube into spiral strip shapes through a blade; 3 winding the spiral PFA strips on a sizing lead screw, placing the strips into an oven, setting the temperature to be 250 degrees and baking for 2 to 3 hours; and 4 taking the spiral PFA strips out from the oven, and placing the spiral PFA strips into pure water for cooling. Accordingly, the PFA spring is obtained.

Description

technical field [0001] The invention relates to a spring made of a new material and a manufacturing method thereof. Background technique [0002] A spring is a mechanical part that uses elasticity to work. Generally made of spring steel. It is used to control the movement of parts, alleviate shock or vibration, store energy, measure force, etc. It is widely used in machines and instruments. The types of springs are complex and diverse, divided by shape, mainly coil springs, scroll springs, leaf springs, etc. [0003] Springs are used in various occasions, and metal springs on the market cannot be used in corrosive liquids. If metal springs are to be used in corrosive liquids, the current method is to coat the springs with a layer of corrosion-resistant coating, but the coating is easy to fall off, so the reliability of use is not high, and sometimes the springs have been corroded but cannot be repaired in time. Find. Contents of the invention [0004] The object of th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16F1/373B29C53/60
Inventor 黎泉元吉保国
Owner CHANGZHOU RUIZE MICROELECTRONICS
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