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Type of locating pin, fixture part


First, the type of positioning pin
According to its structure, it can be divided into: small positioning pin, fixed positioning pin, replaceable positioning pin and positioning pin.
Second, fixed positioning pin
Standard: GB 2203-80
Material: D≦18mm T8 according to GB 1298—86 “Technical Conditions for Carbon Tool Steel”;
D≧18mm 20 according to GB 699-88 "Quality carbon structural steel grade and general technical conditions".
Heat treatment: T8 HRC 55 ~ 60; 20 carburizing depth 0.8 ~ 1.2mm, HRC 55 ~ 60.
Other technical conditions: according to GB 2259-80 "Technical conditions for machine tool fixture parts and components".
Fixed locating pin - Type A
Fixed positioning pin-B type
Third, small positioning pin
Standard: GB 2202-80
Material: T8 according to GB 1298-86 "Technical Conditions for Carbon Tool Steel".
Heat treatment: HRC 55-60.
Other technical conditions: according to GB 2259-80 "Technical conditions for machine tool fixture parts and components"
Fourth, the positioning latch
Standard: GB 2205-80
Material: D≦10mm T8 according to GB 1298—86 “Technical Conditions for Carbon Tool Steel”;
D≧10mm 20 according to GB 699-88 "Quality carbon structural steel grade and general technical conditions".
Heat treatment: T8 HRC 55 ~ 60; 20 carburizing depth 0.8 ~ 1.2mm, HRC 55 ~ 60.
Other technical conditions: according to GB 2259-80 "Technical conditions for machine tool fixture parts and components".
Five, replaceable positioning pin
Standard: GB 2204-80
Material: D≦18mm T8 according to GB 1298—86 “Technical Conditions for Carbon Tool Steel”;
D≧18mm 20 according to GB 699-88 "Quality carbon structural steel grade and general technical conditions".
Heat treatment: T8 HRC 55 ~ 60; 20 carburizing depth 0.8 ~ 1.2mm, HRC 55 ~ 60.
Other technical conditions: according to GB 2259-80 "Technical conditions for machine tool fixture parts and components".


DESHENGRUI Machinery is a professional CNC manufacturing and Sheet metal fabrication company, including CNC machining services, CNC Turning service, CNC milling services, CNC drilling services, laser cutting services, stamping services, Die casting service, iron casting service and Steel Forging service.

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