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Summary of Contents for Wittenstein Alpha LP Series
- Page 1 2022-D018479 / LPB Operating Manual 2022-D018479 Revision: 03...
- Page 2 E-mail: service-alpha@wittenstein.de © WITTENSTEIN alpha GmbH 2008 This documentation is copyright protected. WITTENSTEIN alpha GmbH reserves all the rights to photo-mechanical reproduction, copying, and the distribution by special processes (such as computers, file media, data networks), even in parts. Subject to technical and content changes without notice.
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Page 3: Table Of Contents
/ LPB Contents On this manual .....................2 1.1 Signal words ......................2 1.2 Safety symbols.....................2 1.3 Information symbols .....................3 Safety........................4 2.1 EC – Machinery directive ..................4 2.2 Dangers .......................4 2.3 Personnel ......................4 2.4 Intended use ......................4 2.5 Guarantee and Liability ..................4 2.6 General safety instructions ..................5 Description of the gearhead................6 3.1 General Information .....................6... -
Page 4: On This Manual
On this manual / LPB On this manual These instructions contain necessary information for the safe operation of the planetary gearhead /LPB , referred to as gearhead in the following. The operator must make sure that this operating manual is read through by all persons assigned to install, operate, or maintain the gearhead, and that they understand them. -
Page 5: Information Symbols
/ LPB On this manual Information symbols The following information symbols are used: requires you to carry out an action indicates the results of an action provides additional information on handling Revision: 03 2022-D018479 en-3... -
Page 6: Safety
- Operation of the gearhead when safety devices and equipment are defective - Operation of the gearhead without lubricant - Operation of a heavily soiled gearhead - Modifications or reconstructions that have been carried out without the approval of WITTENSTEIN alpha GmbH en-4 2022-D018479 Revision: 03... -
Page 7: General Safety Instructions
/ LPB Safety General safety instructions Objects flung out by rotating components can cause serious injuries. Remove objects and tools from the gearhead before putting it into operation. Rotating components on the gearhead can pull in parts of the body and cause serious injuries and even death. -
Page 8: Description Of The Gearhead
Description of the gearhead / LPB Description of the gearhead General Information The gearhead is a single- or multistage, low-backlash planetary gearhead, which is manufactured as standard in the "M" version (motor installation). The output shaft bearing is designed to receive high overturning torques and axial forces. -
Page 9: Type Plate
DMF: 24/08 Made in Germany Production date WITTENSTEIN alpha GmbH - Walter Wittenstein-Str.1 - 97999 Igersheim Tbl-3: Type plate (sample values) The ratio (e.g. i = 10) can also be found on a label on the plug socket. The spacer sleeve is properly aligned when the slit points to the label. -
Page 10: Performance Statistics
Description of the gearhead / LPB Performance statistics Please refer to our catalogue or our Internet page for the maximum permitted speeds and torques: http://www.wittenstein-alpha.de Please consult our service department if your gearhead is older than a year. You will then receive the valid performance data. Weight The table "Tbl-4"... -
Page 11: Transport And Storage
Check the completeness of the delivery against the delivery note. Missing parts or damage must be notified immediately in writing to the carrier, the insurance, or WITTENSTEIN alpha GmbH. Packaging The gearhead is delivered packed in foil and cardboard boxes. -
Page 12: Assembly
Assembly / LPB Assembly Loose or overloaded screw connections can damage the gearhead. Use a calibrated torque wrench to tighten and check all screw connections for which a tightening torque has been specified. Intensive distortions when assembling the motor (e.g. for motors with shaft shoulder, extensive chamfer radius or longer shafts than permitted for the gearhead) can damage the gearhead and the motor. - Page 13 / LPB Assembly Pressurized air can damage the gearhead seals. Do not use pressurized air to clean the gearhead. Clean/de-grease the following components with a clean and lint-free cloth and grease- dissolving, non-aggressive detergent: - all fitting surfaces to neighboring components - centering - the motor shaft - the inner diameter of the plug receptacle...
- Page 14 Assembly / LPB When a toothed belt pulley (D), an adapter plate (F) and a motor (G) are ordered, these arrive with mountings that have only been tightened by hand. Loosen the motor, adapter plate and the toothed belt pulley from the gearhead. If necessary, a spacer (E) may need to be placed between the gear reducer and your machine to position the gear reducer precisely.
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Page 15: Mounting The Motor Onto The Gearhead (Lp / Lpb )
/ LPB Assembly Mounting the motor onto the gearhead (LP / LPB The standard delivery of a gearhead does not have a motor. The motor to be mounted has to: - correspond to the B5 design - have a radial and axial runout tolerance of ”N” according to DIN 42955 and - if possible, have a smooth shaft. -
Page 16: Mounting The Motor (Lp + / Lpb + )
Assembly / LPB 5.3.2 Mounting the motor (LP / LPB Ensure that the motor is mounted if possible in a vertical direction. Clean the motor shaft, the plug socket bore hole, the spacer sleeve and the fitting surfaces of motor and gearhead. If the motor shaft has a shaft key, remove the shaft key. -
Page 17: Mounted Components On The Gear Output Side
/ LPB Assembly Mounted components on the gear output side Distortions during mounting operations can damage the gearhead. Mount gearwheels and toothed belt pulleys onto the output shaft without forcing. Do not on any account attempt an assembly by force or hammering! Only use suitable tools and equipment for assembly. -
Page 18: Mounting The Gearhead To A Machine (Lp + )
Assembly / LPB Size LPB Close-tolerance bolt Fastening bolts (property class 12.9) (property class 12.9) Size Tightening torque Size Tightening torque [Nm] [Nm] M5x12 5 x M5x12 M6x16 15.4 7 x M6x16 15.4 M6x16 15.4 7 x M8x20 37.3 Tbl-10: Fastening the toothed belt pulley The tension of the tooth belt is brought about by its construction. -
Page 19: Startup And Operation
/ LPB Startup and operation Startup and operation Objects flung out by rotating components can cause serious injuries. Remove objects and tools from the gearhead before putting it into operation. Rotating components on the gearhead can pull in parts of the body and cause serious injuries and even death. -
Page 20: Maintenance And Disposal
Maintenance and disposal / LPB Maintenance and disposal Hot gearhead housing can cause serious burns. Touch the gearhead housing only when wearing protective gloves or after the gearhead has been idle for some time. Rotating components on the gearhead can pull in parts of the body and cause serious injuries and even death. -
Page 21: Maintenance Schedule
/ LPB Maintenance and disposal Maintenance schedule Maintenance work At start-up After 500 Every 3 Yearly operating hours months or 3 months Visual inspection Checking the tightening torques Tbl-11: Maintenance schedule Notes on the lubricant used All gearheads are lubricated for their entire working life. You can obtain further information on the lubricant from our Customer Service. -
Page 22: Malfunctions
Malfunctions / LPB Malfunctions Changed operational behavior can be an indication of existing damage to the gearhead or cause damage to the gearhead. Do not put the gearhead back into operation until the cause of the malfunction has been rectified. Fault Possible cause Solution... -
Page 23: Appendix
/ LPB Appendix Appendix Specifications on mounting onto a motor Designation Plug receptacle Threaded pin Spacer sleeve Smooth shaft Grooved shaft Tbl-13: Arrangement of motor shaft, plug receptacle and spacer sleeve Gearhead size Clamping hub Width across Tightening Max. axial force / LPB interior Ø... -
Page 24: Tightening Torques For Common Thread Sizes In General Mechanics
Appendix / LPB Gearhead Bore Ø Bolt size / Tightening size LPB property torque [mm] class [Nm] M8 / 12.9 37.3 M10 / 12.9 73.4 M12 / 12.9 Tbl-16: Through-holes in gearhead housing LPB Tightening torques for common thread sizes in general mechanics The specified tightening torques for headless screws and nuts are calculated values and are based on the following conditions: - Calculation acc.
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