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2022-D026817
07
+
+
+
LK
/LPK
/LPBK
Operating Manual
2022-D026817
Revision: 07

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Summary of Contents for Wittenstein Alpha LK+

  • Page 1 2022-D026817 /LPK /LPBK Operating Manual 2022-D026817 Revision: 07...
  • Page 2 E-mail: service-alpha@wittenstein.de © WITTENSTEIN alpha GmbH 2019 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.
  • Page 3: Table Of Contents

    /LPK /LPBK Contents About this manual ....................2 1.1 Signal words ......................2 1.2 Safety symbols.....................2 1.3 Design of the safety instructions ................3 1.4 Information symbols .....................3 Safety........................3 2.1 EC directives ......................3 2.1.1 Machinery directive ..................3 2.1.2 RoHS.......................3 2.2 Dangers .......................4 2.3 Personnel ......................4 2.4 Intended use ......................4 2.5 Reasonably foreseeable misuse ................4 2.6 Guarantee and liability ..................4...
  • Page 4: About This Manual

    About this manual /LPK /LPBK About this manual These instructions contain necessary information for the safe operation of the right-angle gearhead /LPK /LPBK , referred to as gearhead in the following. If this manual is supplied with an amendment (e.g. for special applications), then the information in the amendment is valid.
  • Page 5: Design Of The Safety Instructions

    /LPK /LPBK Safety Design of the safety instructions The safety instructions of these instructions are designed according to the following pattern: A = Safety symbol (see Chapter 1.2 "Safety symbols") B = Signal word (see Chapter 1.1 "Signal words") C = Type and consequence of the danger D = Prevention of the danger Information symbols The following information symbols are used:...
  • Page 6: Dangers

    Co-riding the gearhead on the drive axle is prohibited. Exceptions require a written approval and technical statement from WITTENSTEIN alpha GmbH. Guarantee and liability Guarantee and liability claims are excluded for personal injury and material damage in case of...
  • Page 7 /LPK /LPBK Safety Rotating components on the gearhead can pull in parts of the body and cause serious injuries and even death. Keep a sufficient distance to rotating machinery while the gearhead is  running. Secure the machine against restarting and unintentional movements ...
  • Page 8: Description Of The Gearhead

    , TP , TP HIGH TORQUE or consulting with WITTENSTEIN alpha GmbH . The motor centering is realized via the held receptacle for tabs, and not via the adapter plate. Radial clamping of the motor is avoided. An adaptation to various motors is realized via an adapter plate and a bushing.
  • Page 9: Identification Plate

    Lubricant information i = 100 SN: 1234567 DMF: 24/08 Made in Germany Production date WITTENSTEIN alpha GmbH - Walter-Wittenstein-Str.1 - 97999 Igersheim Tbl-3: Identification plate (sample values) Ordering code LPK 090 - MO3 - 100 - 111 Backlash Gearhead type...
  • Page 10: Noise Emission

    Scope of delivery Check the completeness of the delivery against the delivery note.   Immediately notify the carrier, the insurance company, or WITTENSTEIN alpha GmbH in writing of any missing parts or damage. Packaging The gearhead is delivered packed in foil and cardboard boxes.
  • Page 11: Assembly

    Operation without an adapter plate might lead to damage. Only install your own adapter plate or replace an adapter plate according  to the specifications of WITTENSTEIN alpha GmbH. Our Customer Service department will provide you with disassembly instructions for this purpose.
  • Page 12: Mounting The Gearhead To A Machine (Lpbk Only)

    Assembly /LPK /LPBK Clean / Degrease 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 inside diameter of the clamping hub - The bushing inside and out Dry all fitting surfaces to neighboring components in order to achieve the proper friction values ...
  • Page 13 /LPK /LPBK Assembly  If necessary, a spacer (M) should be placed between gearhead and machine to fine-tune the gearhead position. Such a spacer is not part of the drive's scope of delivery and needs to be provided by the customer. Thoroughly clean the output flange, centering, fitting surface, spacer and toothed belt pulley.
  • Page 14: Mounting The Motor On The Gearhead

    Assembly /LPK /LPBK Mounting the motor on the gearhead Observe the specifications and safety instructions of the motor  manufacturer. Observe the safety and processing instructions for the threadlocker to be  used. Insert the bushing (J) into the clamping hub (C). Align the bushing ...
  • Page 15: Components Mounted On The Output Side

    /LPK /LPBK Assembly Tighten the threaded pin (H) of the clamping hub (C).   For screw sizes and prescribed tightening torques, see Chapter 9.1 "Specifications for mounting onto a motor", Table "Tbl-14". Press the enclosed stopper plugs up to their stop into the mounting bores of the ...
  • Page 16: Mountings On The Output Flange (Lpbk + Only)

    Assembly /LPK /LPBK 5.4.1 Mountings on the output flange (LPBK only) Observe the safety and processing instructions of the cleaning agents  and threadlocker to be used. Only the LPBK version features an output flange on which a toothed belt pulley (O) can be mounted with bolts. Thoroughly clean the output flange, centering, fitting ...
  • Page 17: Mounting The Gearhead To A Machine (Lk + /Lpk + Only)

    /LPK /LPBK Startup and operation Mounting the gearhead to a machine (LK /LPK only) Observe the safety and processing instructions for the threadlocker to be  used. ® Apply threadlocker (e.g., Loctite 243) to the  fastening screws. Fasten the gearhead to the machine with the ...
  • Page 18: Maintenance And Disposal

    Maintenance and disposal /LPK /LPBK Maintenance and disposal Read the general safety instructions before beginning work (see Chapter 2.7 "General safety  instructions"). Maintenance work 7.1.1 Visual inspection Check the entire gearhead for exterior damage.  The sealings are subject to wear. Therefore also check the gearhead for leakage during each ...
  • Page 19: Notes On The Lubricant Used

    /LPK /LPBK Malfunctions Notes on the lubricant used All gearheads are lubricated for their service life by the manufacturer with a mineral oil-based lithium soap grease or with a food-safe synthetic grease (carbon hydride oil, aluminum complex soap) (see identification plate). All bearings are permanently lubricated by the company.
  • Page 20: Appendix

    Appendix /LPK /LPBK Appendix Specifications for mounting onto a motor Designation Clamping hub Threaded pin Bushing Keyed motor shaft Smooth motor shaft Tbl-13: Arrangement of motor shaft, clamping hub, and bushing Gearhead size Clamping hub Width across flats, Tightening Max. axial internal Ø...
  • Page 21: Tightening Torques For Common Thread Sizes In General Mechanical Engineering

    /LPK /LPBK Appendix Gearhead size Hole circle Ø Screw size / Tightening property class torque [mm] [Nm] M4 / 12.9 4.55 M5 / 12.9 M6 / 12.9 15.4 M8 / 12.9 37.3 M10 / 12.9 73.4 Tbl-16: Threaded bores in gearhead housing LPK Gearhead size Hole circle Ø...
  • Page 22 WITTENSTEIN alpha GmbH ꞏ Walter-Wittenstein-Straße 1 ꞏ 97999 Igersheim ꞏ Germany Tel. +49 7931 493-0 ꞏ info@wittenstein.de WITTENSTEIN ‒ with the future www.wittenstein-alpha.de AC: XXXXXXXX 2022-D062611Revision: 02...

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