K187 helical-bevel gear units

K187 helical-bevel gear units

  • Made of rib-reinforced rigid case, premium alloy-steel gear that’s hardened by carbon penetration and grinded precisely.

Applications:

◆Harbor and shipping
◆Hoist and transport
◆Electric power
◆Coal mining
◆Cement and construction
◆Paper and light industry
◆Chemical industry and environmental protection

Technical data
Shell material Cast iron / ductile iron
Shell hardness HBS190-240
Gear material 20CrMnTi alloy steel
Gear surface hardness HRC58 ° ~ 62 °
Gear core hardness HRC33 ~ 40
Input / output shaft material 42CrMo alloy steel
Input / output shaft hardness HRC25 ~ 30
Gear machining accuracy Precision grinding, level 6 ~ 5
lubricating oil GB L-CKC220-460, Shell withstand voltage 220-460
Heat treatment Tempering, carburizing, quenching, etc.
effectiveness 94% ~ 96% (depending on the transmission stage)
Noise (maximum) 60 ~ 68dB
Temperature rise (MAX) 40 ° C
Temperature rise (oil) (maximum) 50 ° C
vibration ≤20µm
Recoil ≤20Arcmin
Bearing brand Chinese brand bearings, HRB / LYC / ZWZ / C & U. Or other brands requested, SKF, FAG, INA, NSK.
Oil seal brand NAK — Taiwan or other brand requirements
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