Description
DONGHUA Chain Group is the most professional manufacturer of power transmission in China, manufacturing roller chains, industry sprockets, motorcycle sprockets, casting sprockets, different type of couplings, pulleys, taper bushes, locking devices, gears, shafts, CNC precision parts and so on. We have passed ISO9001, ISO14001, TS16949 such quality and enviroment certification.
Rack and gear matched together
Mould ( M0.5 -- M8)
Length: 250mmr to 3000mm
Standard and special rack
Material: Mc nylon; Oil nylon + carbon (black); Oil mc901(blue); Mc nylon + mso2(light black)
Standard: RoHS
NOTE:
1)Tolerance on single pitch +/-20μ M
2)Tolerance on sum of pitches +/-30μ M on 500 mm
3)The quality grade of the toothing is from 8 to 9 at DIN 3962/63/67
4)Straight toothing
| | | | | | | | Prossure angle 20°Material C45 |
Mod. | Hp | HexS | L |
500 | 1000 | 2000 |
Teeth No. | Lr | Weight(kg) | Teeth NO. | Lr | Weight(kg) | Teeth NO. | Lr | Weight(kg) |
1 | 14 | 15x15 | 159 | 449.51 | 0.82 | 318 | 999.02 | 1.50 | 636 | 1998.05 | 3.10 |
1.5 | 15.5 | 17x17 | 106 | 449.51 | 1.00 | 212 | 999.02 | 2.00 | 424 | 1998.05 | 4.00 |
2 | 18 | 20x20 | 80 | 502.65 | 1.40 | 159 | 999.02 | 2.70 | 318 | 1998.05 | 5.40 |
2.5 | 22.5 | 25x25 | 64 | 502.65 | 2.10 | 127 | 997.45 | 4.30 | 255 | 2002.77 | 8.60 |
3 | 27 | 30x30 | 53 | 499.51 | 3.10 | 106 | 999.02 | 6.30 | 212 | 1998.05 | 12.50 |
4 | 21 | 25x25 | 40 | 502.65 | 1.80 | 80 | 1005.31 | 3.65 | 159 | 1998.05 | 7.30 |
4 | 26 | 30x30 | 40 | 502.65 | 3.05 | 80 | 1005.31 | 6.00 | 159 | 1998.05 | 11.90 |
4 | 36 | 40x40 | 40 | 502.65 | 5.50 | 80 | 1005.31 | 11.10 | 159 | 1998.05 | 22.00 |
5 | 45 | 50X50 | 32 | 502.65 | 8.30 | 64 | 1005.31 | 17.50 | 128 | 2010.31 | 34.60 |
6 | 54 | 60x60 | 27 | 508.93 | 12.65 | 53 | 999.02 | 25.00 | 106 | 1998.05 | 51.00 |
8 | 72 | 80X80 | 20 | 502.65 | 21.40 | 40 | 1005.31 | 42.70 | 80 | 2010.62 | 85.40 |