Clutches for Grinding Mills
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Airflex® Subject title Pneumatic Controls Inching Drives Electrical Controls Clutches for Grinding Mills Cover headline Cover subheadline

VC Clutches for Grinding Mills Airflex® is the logical choice for new grinding mill designs or for modernizing existing equipment. Airflex ’s air-actuated, drumtype clutches are the logical choice for master clutch service on pebble, rod, ball, semiautogenous and autogenous mills used in the grinding of various materials. ® When modernizing existing mills or other equipment, very little engineering is required for installing Airflex clutches in place of existing direct drive systems. ® The uncomplicated design and the ability to modulate power transmission insures reliable service and...

Airflex provides a total solution for grinding mill applications. This includes: ® Air actuation and the absence of linkages, splines or complex electrical circuitry, needed with other types of clutches, eliminates many mechanical failures and minimizes costly downtime. Air is only used during engagement of an Airflex Clutch®. This is because the clutches are designed as closed loop systems. Neither the driving nor the driven shafts need to be removed to service the clutch. The clutch element and drum can be dropped out between the shafts by unbolting them from the mounting components....

Airflex® VC Clutch Application Form VC 506 — Single Narrow Series Rotorseal O O Hole Pipe Tap 90º to Key Way D37 Spider shown is for sizes 14VC500 thru 24VC650 EATON VC Clutches for Grinding Mills April 2012

English Bore Range (inches) Torque Rating Spider Hub Size Basic B/M (lb·ins) at 75 PSI Weight (lbs) Min. Max. Min. SI (Dimensions in millimeters) Clearance for “Drop Out” Size D D1 D2 D7 D37 D38 H M O X Element Drum 1 M(in)=0.268 (H/2-radius of bore) +0.34 M(mm)=0,268 (H/2-radius of bore) +8,7 2 Pipe tap not required. Thru hole diameter 0.44 in (11 mm).

Airflex® VC Clutch Application Form VC 508 — Dual Narrow Series Dual Element Dual Drum Cap screws used for sizes 11.5VC500 thru 16VC600 Dual Spider Spider shown is for sizes 28VC650 thru 42VC650 EATON VC Clutches for Grinding Mills April 2012 Thru bolts used for sizes 20VC600 thru 42VC650

English Bore Range (inches) Torque Rating Spider Hub Size Basic B/M (lb·ins) at 75 PSI Weight (lbs) Min. Max. Min. SI (Dimensions in millimeters) Clearance for Drop Out Size D D1 D2 D7 D37 D38 H M O X Element Drum 1 M(in)=0.268 (H/2-radius of bore) +0.34 M(mm)=0,268 (H/2-radius of bore) +8,7 2 Pipe tap not required. Thru hole diameter 0.44 in (11 mm). EATON VC Clutches for Grinding Mill

Airflex® VC Clutch Application FORM VC508 (LA-7132) — Dual NarrowSeries with Locking Assembly Dual Element Dual Drum Axial Locking Assembly Dual Spider Thru bolts used for sizes 20VC600 thru 42VC650 D37 C.G. Spider & Element Spider shown is for sizes 28VC650 thru 42VC650 EATON VC Clutches for Grinding Mills April 2012

English Torque Rating Size Basic B/M (lb·ins) at 75 PSI Weight (lbs) Bore Range (inches) Spider Hub Min. Max. Min. SI Torque Rating Size Basic B/M (N·m) at 5,2 bar Mass (kg) Bore Range (millimeters) Spider Hub Min. Max. Min. English Clearance for “Drop Out” (Dimensions in inches) Moving Shafts .250 Apart Size D D1 D2 D7 D37 D38 H M O X Locking Assembly and Drum SI Clearance for “Drop Out” (Dimensions in millimeters) Moving Shafts 6,35 Apart Size D D1 D2 D7 D37 D38 H M O X Locking Assembly and Drum EATON VC Clutches for Grinding

Airflex® VC Clutch Application Form VC 509 — Single Wide Series D D1 These screws must be removed to allow element passage thru shaft gap X Element Drum Thru bolts used for sizes 20VC1000 thru 76VC1600 Cap screws used for sizes 14VC1000 thru 16VC1000 English Bore Range (inches) Torque Rating Spider Hub Size Basic B/M (lb·ins) at 75 PSI Weight (lbs) Min. Max. Min. SI Bore Range (millimeters) Torque Rating Spider Hub Size Basic B/M (N·m) at 5,2 bar Mass (kg) Min. Max. Min. EATON VC Clutches for Grinding Mills April 2012

English (Dimensions in inches) Clearance for “Drop Out” Size D D1 D2 D7 D37 D38 H M O X Element Drum SI (Dimensions in millimeters) Size D D1 D2 D7 D37 D38 H M O X Clearance for “Drop Out” Element Drum EATON VC Clutches for Grinding Mills April 2012

Airflex® VC Clutch Application FORM VC509 (LA-7134) — Single Wide Series with Locking Assembly D D1 These bolts must be removed to allow element passage thru shaft gap X Element Drum Thru bolts used for sizes 20VC1000 thru 76VC1600 Axial Locking Assembly English Bore Range (inches) Torque Rating Spider Hub Size Basic B/M (lb·ins) at 75 PSI Weight (lbs) Min. Max. Min. SI Bore Range (millimeters) Torque Rating Spider Hub Size Basic B/M (N·m) at 5,2 bar Mass (kg) Min. Max. EATON VC Clutches for Grinding Mills April 2012

English Clearance for “Drop Out” (Dimensions in inches) Moving Shafts .250 Apart Size D D1 D2 D7 D37 D38 H M O X Locking Assembly Element Consult Factory 30.000 5.000 3⁄8-18 NPT Consult Factory 34.625 5.000 ½-14 NPT Consult Factory 38.625 5.000 ½-14 NPT Consult Factory 44.500 5.000 ½-14 NPT Consult Factory 50.000 6.000 ½-14 NPT Consult Factory 54.250 6.000 ½-14 NPT Consult Factory 61.000 6.000 ½-14 NPT Consult Factory 67.750 7.000 ¾-14 NPT Consult Factory 67.750 7.000 ¾-14 NPT Consult Factory 77.750 7.000 1"-11 ½ NPT SI Clearance for “Drop Out” (Dimensions in millimeters) Moving Shafts 6,35...

Airflex® VC Clutch Application Form VC 510 — Dual Wide Series D D1 Male Drum Female Drum Thru bolts used for sizes 20VC1000 thru 66VC1000 Rotorseal Dual Spider English Bore Range (inches) Torque Rating Spider Hub Size Basic B/M (lb.·ins) at 75 PSI Weight (lbs) Min. Max. Min. SI Torque Rating Size Basic B/M (N·m) at 5,2 bar Mass (kgs) Bore Range (millimeters) Spider Hub Min. Max. Min. EATON VC Clutches for Grinding Mills April 2012