The SKF Drive-up Method is a Lion Bearing Industrial Co.ltdll-proven method, unique to SKF, of accurately achieving the adjustment of SKF spherical roller and CARB toroidal roller bearings mounted on tapered seatings.
The method incorporates the use of an SKF HMV ..E hydraulic nut fitted with a dial indicator, and a high accuracy digital pressure gauge, mounted on the selected pump. The correct fit is achieved by controlling the axial drive-up of the bearing from a pre-determined starting position, defined by the pressure in the SKF HMV ..E hydraulic nut. The second stage is monitored by driving the bearing up a calculated distance on the taper seating.
The starting position pressure and the drive-up distance for many SKF bearings can be determined by using the SKF Drive-up Method PC program or by the iOS or Andoid app for smartphones and tablets. In addition, SKF’s unique information service for mounting and dismount bearings, skf.com/mount, also features the SKF Drive-up Method.
The SKF Drive-up Method PC program or iOSor Android apps calculate the required values for the bearing and the mounting arrangement.
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One sliding surface fig 1
One sliding surface fig 2
Two sliding surfaces fig 3
Two sliding surfaces fig 4
Zero, starting and final positions fig 5
|Products for the SKF Drive-up Method|
|HMV ..E e.g. HMV 54E||Metric thread hydraulic nut|
|HMVC ..E e.g. HMVC 54E||Inch thread hydraulic nut|
|HMV ..E/A101 e.g. HMV 54E/A101||Unthreaded hydraulic nut|
|729124 DU for nuts ≤ HMV 54E||Pump with digital gauge MPa/psi|
|TMJL 100DU for nuts ≤ HMV 92E||Pump with digital gauge MPa/psi|
|TMJL 50DU all sizes HMV ..E nuts||Pump with digital gauge MPa/psi|
|THGD 100||Digital gauge only MPa/psi|
|TMCD 10R||Horizontal dial indicator 0–10 mm|
|TMCD 5P||Vertical dial indicator 0–5 mm|
|TMCD 1/2R||Horizontal dial indicator 0–0.5 in.|
|Technical data – Hydraulic pumps|
|Designation||729124 DU||TMJL 100DU||TMJL 50DU|
|Max. pressure||100 MPa 14 500 psi||100 MPa 14 500 psi||50 MPa 7 250 psi|
|Volume/stroke||0,5 cm³ 0.03 in.³||1,0 cm³ 0.06 in.³||3,5 cm³ 0.21 in.³|
|Oil container capacity||250 cm³ 15 in.³||800 cm³ 48 in.³||2 700 cm³ 165 in.³|
|NOTE: All above pumps are supplied complete with digital pressure gauge, high pressure hose and quick connect coupling.|
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