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Drives for Clarifiers and Thickeners

Drive Diagram Topics

  1. Torkmatic Overload Protection
  2. Direct Inline Coupling
  3. Cycloidal Reducer
  4. Steel Precision Main Bearing
  5. Advanced Gearing Design
  6. Lower Pinion Bearing and Pocket
  7. Sealed Steel Housing and Base

                                                                                                                   

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More Drive Topics

  • Accurate Measurement -Direct force measured from the pinion provides the most accurate reading possible.
  • Reliable - Primary stage measurement eliminates second and third stage measurement, providing more sensitive measurement.
  • Exact Indication - Torque indication, expressed in percentage of design torque, provides instant reading eliminating any need for conversion.
  • Manual Verification - Reliable manual testing allows periodic verification of safety switches.

Direct Inline Coupling

  • Clean - Inline connections from the motor eliminate the greasy mess of chains and sprockets and provide simplicity in maintenance and care.
  • Safer - Elimination of exposed moving chains and sprockets means safe operating conditions for routine inspection and maintenance.
  • Compact - Direct coupled components permit stacking of the power transmission, providing a neat, clean space saving design.

  • Great Efficiency - 95 % efficiency in a single stage reduction vs. 60% efficiency through a worm gear/chain and sprocket arrangement.
  • High Shock Loading Capacity - With the cycloidal reducer, there is no shear point, and 65% of the cycloidal disc lobes are engaged at any one time to absorb as much as 500% shock loading.
  • Compact and Clean - The cycloidal drive is considerably smaller than conventional reducers, and completely grease lubricated, eliminating the oily mess from chains and sprockets.
Involute (Gear) System
  • The number of teeth in contact in an involute gear system is generally one. For a short period of time, two teeth are in contact. In this close up of an individual tooth, note the stresses that appear at the point of contact and the stress concentration generated in the root area.
  • CYCLO System In the CYCLO system, note how the load is distributed to a large number of "tooth" (or lobe) contact points. The load does not create root stress; the tooth cannot "break off" and cause catastophic failure even under momentary shock loads of up to 500%. 

Forged Alloy Steel Precision Main Bearing

  • Precision Manufacturing Tolerances - The bearings utilized are acceptable for high load, high speed applications.
  • Exceptionally Long Life - Calculated bearing life of 100 years is more than five times that of standard strip liners of the same bearing size and diameter.
  • Exceptional Load Capacity - Precision bearings utilize a full contoured raceway with hardness 30% greater than strip liners.
  • Overturning Load Capacity - Locked ring design prevents point loading and provides distribution of load over the entire bearing, withstanding extremely unbalanced loads.
  • Reduced Wear - Bearing balls separated with nylon spacers reduce grinding action of ball-on-ball contact.
  • Proper Lubrication - Grease lubrication of the bearing and oil lubrication of the pinion and gear teeth keep contaminants from entering the bearing and allow for efficient removal of condensate.
Advanced Gearing Design
  • Increased Load Capacity - Tooth configuration provides increased distribution of load by as much as 50%.
  • Longer Life - Greater gear tooth contact reduces gear wear and extends the life of your drive.
Lower Pinion Bearing and Pocket
  • Overhung Load - Use of lower pinion bearing eliminates overhung loadings on speed reducers.
  • Pinion Tooth Alignment - Tight bearing alignment tolerances provide proper gear to pinion tooth alignment.
  • Condensate Drainage - Drainage weep holes in the lower bearing seat allow condensation to go around the bearing and not through it to the condensate pocket for removal.
Sealed Steel Housing and Base
  • Strength - Stronger and more rigid than cast iron, steel has a higher yield and tensile strength, which enhances fatigue strength and ductility.
  • Uniformity - Steel is extremely uniform with a consistent density, free of blow holes, sand particles, voids, and cracks common with cast iron.
  • Structural Design - Fabricated steel provides a higher strength / weight ratio allowing a stronger, more compact unit.  Steel is more ductile than cast iron.  
  • Flexibility in Design - Fabrication with structural steel permits an infinite variety of component parts.
  • Protection - Three-step application of high gloss epoxy/polyurethane enamel provides the protection necessary to prevent corrosion.
WESTECH CHINA OFFICE: 17-11 WANGFUJING BLD B, SHAPINGBA, CHONGQING 400030, CHINA