The steps to design the tooling fixture of the medium frequency spot welding machine are to first determine the fixture structure plan, and then draw a sketch. The main tooling content in the sketching stage is as follows:
Design basis for selecting fixtures:
The design basis of the fixture should be consistent with the design basis of the assembly structure. The same design basis should be used as much as possible for the assembly and welding fixtures of adjacent structures that have an assembly relationship. For example, the datum horizontal line and vertical symmetry axis should be used as the same design basis.
Draw workpiece diagram:
After the design basis is determined, use a double-dotted dash line to draw a drawing of the workpiece to be assembled on the drawing according to the design basis, including the workpiece outline and the required intersection joint position of the workpiece (note that the shrinkage allowance is included).
Design of positioning parts and clamping parts:
Determine the positioning method and positioning points of the parts, the clamping force of the parts and the requirements for the clamping force, and select the structural form, size and arrangement of the positioning parts and clamping parts according to the positioning benchmark.
Clamp body (skeleton) design:
The clamp body is the basic part of the clamp, on which various components, mechanisms and devices required to form the clamp are installed. It plays a supporting and connecting role. Its shape and size depend on the outer dimensions of the workpiece, various components and The layout of the device and the nature of the processing, therefore, the design needs to meet the stiffness requirements of the welding process on the fixture, and determine the specific structural plan and transmission plan of the fixture based on the planed shape and size of the fixture components, such as determining the fixture structure What are the components, the specific manufacturing method of the clamp and the several levels of transmission forms used.
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Post time: Feb-20-2024