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china latest news about Defects in stamping parts and preventive measures

Defects in stamping parts and preventive measures

January 23, 2024

Bending deformation of punched parts: The clearance force and reaction force do not generate torque on the same line. When the gap between the convex and concave molds is too large and the concave mold edge has a reverse taper, or when the contact area between the ejector and the workpiece is too ...
china latest news about Defects in stamping parts and preventive measures

Defects in stamping parts and preventive measures

January 22, 2024

Reasons for burrs on stamping parts: 1. The punching gap is too large, too small, or uneven. 2. The cutting edge of the working part of the die becomes blunt. 3. Due to long-term vibration and impact, the centerline of the convex and concave molds changes, and the axis does not coincide, resulting ...
china latest news about Defects in stamping parts and preventive measures

Defects in stamping parts and preventive measures

January 19, 2024

Reasons for scrap: 1. Poor quality of raw materials. 2. Improper installation, adjustment, and use of stamping dies. 3. The operator did not correctly feed the strip along the positioning or did not ensure that the strip was fed with a certain gap. 4. Due to long-term use, the die may experience ...
china latest news about 14 geometric tolerances of parts: 6 shape tolerances and 8 position tolerances

14 geometric tolerances of parts: 6 shape tolerances and 8 position tolerances

January 18, 2024

Straightness: straightness refers to the condition that the actual shape of the straight line elements on the part maintains an ideal straight line. This is what is commonly referred to as straightness. Straightness is the maximum allowable variation of an actual line from an ideal straight line. ...
china latest news about What do Cu/Cp.p and Cu/Ct.P on the drawing mean?

What do Cu/Cp.p and Cu/Ct.P on the drawing mean?

January 17, 2024

Cu/: It may be a copper matrix or a copper-plated surface. Ct：Chemical treatment Cp: Chrome plated p: Passivation Cu/Ct.P = Copper Chemical treatment Passivation Copper chemical passivation treatment. The total meaning of Cu/Cp.p maybe: 1. Copper plating first, then chromium plating, and then ...
china latest news about Blind rivets

Blind rivets

January 16, 2024

Blind rivet types: ordinary open core blind rivets, open countersunk head (flat head) core blind rivets, closed core blind rivets (also called waterproof rivets), closed countersunk head core blind rivets. Materials: the main materials are aluminum, iron, stainless steel, copper. Reference standards...
china latest news about Application scopes of rivet nut

Application scopes of rivet nut

January 15, 2024

Rivet nuts are mainly used in non structural load-bearing bolt connections, such as the connection of interior components such as rail cars, highway buses, and ships. The specifications of rivet nuts in the national standard range from M3 to M12. In fact, it is recommended to use M6 and M8 because ...
china latest news about Installation requirements for rivet nuts

Installation requirements for rivet nuts

January 13, 2024

1. During installation, the rivet nut should protrude at least 0.1mm from the workpiece. 2. Shrinkage after installation (measured after installation, any issues found during installation must be reinstalled). 3. Shrinkage state of rivet nuts after riveting. 4. The riveting force and thread failure ...
china latest news about Inspection of rivet nuts (standard parts incoming inspection)

Inspection of rivet nuts (standard parts incoming inspection)

January 12, 2024

1. Ultimate installation riveting strength inspection. 2. Thread inspection of rivet nuts. 3. Chemical composition inspection of rivet nuts. 4. Appearance inspection. Installation method of rivet nuts: 1. Put the rivet nut into the riveting. 2. Insert the rivet nuts installed in the riveting gun ...
china latest news about Classification of rivet nuts

Classification of rivet nuts

January 11, 2024

Flat head, small head, hexagonal and half hexagonal rivet nuts, with through holes, blind holes, knurled and non knurled. According to the shape: circular (C), hexagonal (H), According to the inner hole: through hole (O), blind hole (B), By material: carbon steel, stainless steel, aluminum alloy, ...
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