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Standard Helical & Bevel-Helical Gearbox ZDY / ZLY / ZSY — DONLY
ZDY / ZLY / ZSYZDY/ZLY/ZSY/ZFY Helical and DBY/DCY/DFY Bevel-Helical Gear Units

Standard Helical & Bevel-Helical Gearbox DONLY ZDY / ZLY / ZSY

DONLYManufacturer: DONLY

Classic hardened-gear Z/D range: helical ZDY, ZLY, ZSY, ZFY (1–4 stages) and bevel-helical DBY, DCY, DFY (2–4 stages), hollow-shaft versions DBYK, DCYK, DFYK. Centre distance 80–800 mm, ratios 1.25–500, nominal input power 1.1–6,666 kW. Gears carburized to HRC 57–61, ground with profile and helix modification, shot-peened roots; efficiency 98/96/94/92 % for 1–4 stages. Split cast housing, welded on request. n1 ≤ 1,500 rpm, pitch-line velocity ≤ 20 m/s, −40…+45 °C. Company standard Q/DT 62080-2017.

Specifications

Series
ZDY, ZLY, ZSY, ZFY (helical); DBY, DCY, DFY and DBYK/DCYK/DFYK (bevel-helical)
Centre distance
80–800 mm
Ratios
1.25–500 (ZDY 1.25–5.6; ZLY 6.3–20; ZSY 22.4–100; DBY 4–14; DCY 16–50; DFY 56–250)
Nominal input power P1N
1.1–6,666 kW
Stages
1–4
Efficiency
98 / 96 / 94 / 92 % (1 / 2 / 3 / 4 stages)
Gears
carburized, HRC 57–61, ground, shot-peened
Operating conditions
n1 ≤ 1,500 rpm; −40…+45 °C; standard Q/DT 62080-2017

Applications

  • Belt and apron conveyors
  • Ball mills and crushers
  • Winches and hoisting gears
  • Rolling-mill equipment drives
  • Mixers, drum dryers and fans

We will select the right size for your task and prepare a quotation under a direct SDS contract.