Straight Spur Gear

General steps of  M2 spur gear design 

1. The driving power is calculated according to the load and the motion state (speed, vertical motion or horizontal motion) 

2. Preliminarily estimate the gear modulus (if necessary, conduct subsequent gear strength check. If it is found that the modulus is too small during strength check, the gear modulus must be re determined. Generally, the selection of gear modulus is based on experience or analogy, and the safety check is carried out later) 

3. Carry out preliminary structural design, determine the total transmission and determine the transmission stages (several stages of transmission) 

4. Distribute according to the total transmission ratio and calculate the sub transmission ratio at all levels 

5. Carry out detailed transmission structure design (detailed design of each shafting) according to the needs of the system, which is generally carried out on the general assembly drawing 

6. In the structural design, if it is found that the early parameters are unreasonable (including excessive gears, mutual interference, manufacturing and installation difficulties, etc.), it is necessary to return to the above program in time and start again 

7. Draw the schematic diagram of key shafting (generally heavy-duty shaft, of course, it is good to do it once for each shafting), draw the bending moment diagram and torque diagram at each shaft end, so as to find out the dangerous section and check the strength of the shaft 

8. Strength check of low speed shaft gear 

9. Split the part drawing after it is safe

SSTmachinery make good quality M2 spur gear.

Spur gears are standard spur gears used for gear transmission. Its tooth root height is equal to 1.25 modules, and the tooth tip height is equal to 1 module.

Gears are mechanical components with teeth on the rim that can continuously mesh and transmit motion and power. Gears are mechanical parts with teeth that can mesh with each other. The application of gears in transmission has appeared very early.

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