In convex screw compression special-shaped
spring due to the small spring ring on both ends can be embedded into the circle in the middle, and so the larger deformation can be obtained.
For example, some of the convex type auto brake spring, and has been in a tight state at ordinary times, open the car valve, spring back deformation, drives the brake of automobile brake.
Haircut convex pusher is also used in helical spring this characteristic, the effective space to obtain larger deformation and stress.
special-shaped spring forming machine is usually refers to the production of various kinds of extension spring, torsion spring and all kinds of snap ring and other elastic element forming equipment.
This kind of machine the complexity of the higher than rolling
compression spring spring coiling machine, also known as transfer machine tools.
make a special-shaped spring:
generally is spiral line, and then the breakpoint tangent to draw a circle, build a plane scanning with respect to ok, if you want to spiral is change, below have draft Angle and outline.
Draft Angle is the Angle of input, the contour is to draw a curve for your reference, in the sketch drawing can be, and rule curve, is the change of pitch,
a linear spring forming method, it has the following steps:
in a main shaft centerline on the extension of wire on the orientation of the center of the spindle in the perpendicular to the or basically perpendicular to the direction of the spindle center line, will be three or more radial arrangement of the forming tool to move forward, and make the forming tool collision part brought in from the top of the main shaft of wire rod, its characteristic is that the method also includes the following steps: make a installed on forming tool around the spindle center line of the rotation of the turntable, forming tools needed to make at least a wire contact surface is suitable for the wire forming direction;
And after the above the turntable rotation, through the work of a lot of driving gear drive, the forming tools needed to advance towards an extension of the center line, the number of the drive, more than the number of the forming tool, and used in forming a linear spring around the outside of the main shaft of the centerline of the turntable radial layout.
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