Fastener Key, Pin Connection and Drawing Analysis
Release time:
2020-02-07
Fastener key, pin connection and drawing analysis: The so-called key connection is to realize the circumferential fixation between the shaft and the parts on the shaft through the key to transmit motion and torque. Among them, some types can also achieve axial fixation and transmission of axial force, and some types can achieve axial dynamic connection. The pin is a standard part, which can be used as a positioning part to determine the mutual position between the parts; it can also be used as a connection to transmit lateral force or torque; or as an overload cut-off part in a safety device. Pins can be divided into cylindrical pins, tapered pins and special-shaped pins.
Fastener key, pin connection and drawing analysis: The so-called key connection is to realize the circumferential fixation between the shaft and the parts on the shaft through the key to transmit motion and torque. Among them, some types can also achieve axial fixation and transmission of axial force, and some types can achieve axial dynamic connection. The pin is a standard part, which can be used as a positioning part to determine the mutual position between the parts; it can also be used as a connection to transmit lateral force or torque; or as an overload cut-off part in a safety device. Pins can be divided into cylindrical pins, tapered pins and special-shaped pins.
Key connection
1. Function, type and mark of key
(1) The function of the key: Use the key to connect the shaft and the transmission parts (such as gears, pulleys, etc.) on the shaft to transmit torque.
(2) the type of key: ordinary flat key, half round key and hook head wedge key
(3) key mark: key GB width x key length
Example:
Marking: Key GB/T1096-2003 16x10x100
Indicates:
Round head ordinary flat key (A) type
Width = 16mm
Length = 100mm
Height = 10mm
2. Drawing method of key connection:
2. pin connection
1. Function, type and mark of pin
(1) The function of the pin: The pin is mainly used for the positioning between the parts, and can also be used for the connection between the parts, but it can only transmit a small torque.
(2) Type of pin: cylindrical pin, taper pin, cotter pin
(3) Marking of the pin:
10mm nominal diameter, 50 mm long cylindrical pin
Marking: Pin GB/T119.1-2000 B10x50
2. Drawing of pin connection
Manufacturing standard fastener pins and keys; Non-standard precision cylindrical, high-pressure water pumps; professional enterprises of mechanical processing services, to undertake the customized production of non-standard parts and stainless steel pins, keys and other products required by users.
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