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QTC offers all types of Helical Gears. Detailed below are Ground Axial Helical Gears and Hobbed Normal Helical Gears.
Ground Helical Gears
Precision grade JIS Grade N6 (JIS B 1702-1:1998); JIS Grade 2 (JIS B 1702:1976)
Heat treatment Normalized, teeth surfaces induction hardened
Reference section of gear Rotating plane
Core hardness HB225260
Gear teeth Standard full depth
Surface hardness HRC5055
Transverse pressure 20
Surface treatment Black oxide except ground surfaces
Helix angle 2130'
Surface finish Ground
Material SCM440 (Alloy steel)
Datum reference surface for gear grinding Bore
Helical Gears
Precision grade JIS Grade N8 (JIS B 1702-1:1998) ; JIS Grade 4 (JIS B 1702:1976)
Heat treatment -
Reference section
of gear Normal plane
Core hardness HB165194
Gear teeth Standard full depth
Surface hardness HB165194
Normal pressure angle 20
Surface treatment Black oxide
Helix angle 15
Surface finish Cut
Material S45C (Carbon steel)
Datum reference surface for gear cutting Bore
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A reduction gear ratio of 12:1 is possible with a pair of gears. What used to take several steps to reduce speed can now be done with a pair of gears. We have made these gears compact and have brought the total cost down.
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A Helical Gear has a cylindrical pitch surface with teeth having a helical orientation.
Maximum Pitch Diameter – 20”
Diametral Pitch – 3.0 – 48
Face Width – 13.0
Unground Tooth – AGMA Q9
Ground Tooth – AGMA Q13
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Torque-Arm
Torque Arm II, Shaft Mount Reducer. A shaft mount helical gear reducer that mounts directly to the driven shaft with a number of accessories available to produce versatility, cost savings and long life.
Torque Arm, Shaft Mount Reducer. A shaft mount helical gear reducer that mounts directly to the driven shaft with a number of accessories available to produce versatility, cost savings and long life.
Screw Conveyor Drive Reducers. A Helical Screw Conveyor Drive consisting of a fully enclosed single or double reduction reducer with a CEMA drive shaft, mounting adapter, V-drive and motor mount assy.
Hydroil, Shaft Mount Reducers. A helical gear reducer mounting directly to the driven shaft, except the reducer is driven by a Hydraulic type motor/system.
Pictured Unit Description:-
A shaft mount helical gear reducer that mounts directly to the driven shaft with a number of accessories available to produce versatility, cost savings and long life.
Features/Benefits:-
Dodge Torque Arm Reducers features Precision high quality helical gearing, Rugged and Corrosion resistant Cast Iron and Ductile iron housings, Anti-friction bearings that meet/exceed ABMA ratings, precision machined and hardened shafts for maximum loading, double lip spring loaded seals, efficient splash lubrication system. Benefits are cost savings due to long life of reducer, easy installation and removal due to twin tapered bushing concept, flexibility, true concentric mount fit, capable of handling high shock loads due to full length keys, high range of ratios and a broad range of accessories to support any application need.
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The Series G helical gear reducer have been introduced to meet the requirements of today's demanding applications in the medium and heavy-duty sector of the power transmission market.
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The product range offers helical and bevel-helical gear units designed as a modular construction system enabling extraordinarily short delivery times.
Torque range: up to 900,000 Nm
Power ratings: up to 4,500 kW
Transmission ratios: up to 450 1/min
Mounting positions: horizontal and vertical
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The following shows the Renold Gears range of parallel / in-line gear units either motorised or speed reducer versions.
All units use high precision, hardened and ground helical gears for maximum transmission of power and high efficiency.
RP Series: Helical geared motor unit, foot and flange mounted types,up to 363:1 ratio; Max Power: 22kW Max Torque: 2000Nm.
RS Series: Helical geared motor unit, foot and flange mounted options, up to 80:1 ratio; Max Power: 65kW Max Torque: 3500Nm.
RF Series: Shaft Mounted Helical Gear unit, available with a direct flange mounted motor. up to 300:1 ratio; Max Power: 7.5kW Max Torque: 800Nm.
SMXtra Series: Helical shaft mounted unit with parallel or taper bush mounting, up to 25:1 ratio; Max Power: 235kW Max Torque: 38,000NM.
HC Series: Helical gear unit, foot and shaft mounted types; Max Power: 11,000kW Max Torque: 464,000NM.
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A wide variety of installation options offered by different housing versions.
Sizes:
C0 – C9
Accelerating torque:
21 – 8,000 Nm
Gear ratio range:
2 – 276
Backlash:
< 10 – 20 arc min
Right-angle gear unit with
particularly compact dimensions.
Particularly cost-effective alternative for rated torques up to 800 Nm.
Sizes:
S0 – S4
Rated torque:
55 – 960 Nm
Gear ratio range:
6 – 683
Backlash:
< 10 – 40 arc min
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Sumitomo's Cyclo Helical Buddybox (Cyclo HBB) combines the long-proven Cyclo reducer and a single stage offset parallel helical gearbox in a rugged integral, shaft-mounted design. The HBB incorporates the strength and flexibility of the Cyclo reducer with the adaptability of a shaft-mounted, reducer. With a 24-month warranty, regardless of hours of operation, the Cyclo HBB is an excellent choice for applications in material handling, shredders, specialty machine industries, conveyors, and other applications requiring a simple, convenient shaft mount reducer.
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Helical gears up to 80 Nm
Fed up of compromises or expensive customized gear motor solutions? Have a look at HeiDrive - the intelligent gear motor programme!
Configurate a gear motor perfectly adapted to your needs and requirements by choosing from different gear sizes, a variety of ratios
and a broad range of motor types and accessories. Whether you are in need of helical gears, helical bevel gears or worm gears -
HeiDrive always offers you the right choice!
Size/type: Q065 - Q125
Ratio i : 2.86 to 166.03 : 1 - 4.18 to 183.53 : 1
Torque (Nm) : up to 6 - 80
Power (W) : 20 - 500
Speed (U/min) : 1200 - 3000
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