Stationary grinding & lapping machines

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STM 500
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unigrind STM 500

Stationary valve grinding and lapping machine for sealing surfaces in gate, globe, check valves, gate valve wedges and safety relief valves.

The models STM 500 are used in workshops for maintenance as well as for valve manufacturing.

Working range: DN 10 – 350 mm ( 3/8” – 14”)
Max. flange diameter: 600 mm (23.6”)
Max. valve height: 700 mm (27.5”)

Different models available:

STM 500
With one or two tilt tables 500 x 500 mm (19,7” x 19,7”)
Continuous adjustable 0 – 13°.

STM 500 SV-1 or STM 500 SV-2
(special for safety relief valves)
With one or two eccentric adjustment rotary tables, ø 500 mm (19,7”)

STM 500 SV-Combi
Combined model with rotary and tilt table.




STM 800 E
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unigrind STM 800 E

Stationary valve grinding and lapping machine for machining of sealing surfaces in:

  • Gate valve
  • Gate valve wedges and disks
  • Swing check valves
  • Globe valves and safety relief valves

The STM 800 E is used in workshops for maintenance as well as in valve manufacturing.

Working range: DN 15 – 1000 (1/2” – 40”)
Max. flange diameter: 1370 mm (56“)
Max. valve height: 1100 mm (43.3”)
Tilting table dimension: 800x900 mm (31.5” x 35.4”)
Tilting range: 0-13°
Eccentric spindle drive adjustable

The model STM 800 E is available with 1 or 2 tilting tables as well as in combination with tilting and rotary table.




KSM
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unigrind KSM

Stationary grinding tables for surface grinding of:

  • Gate valve wedges
  • Wedge disks
  • Valve disks
  • Other valve parts

Grinding plate Ø: 600 mm (23,6”) or 750 mm (29,5”)

Self-adhesive grinding discs are used on the grinding table.




Schleifadapter und Neigungstische
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unigrind Grinding Adapters and Tilt Tables

Grinding tools for using onto drill press and radial drilling machine.

Working range: Grinding adapters DN 15 – 1600 mm (1/2” – 64”)
Tilting table size: from 350 x 350 mm (13,8“ x 13,8“)
                              to 1500 x 1500 mm (59” x 59“)

Inclination of tilt table is infinitely adjustable: 0-15°

Grinding adapters as well as grinding, lapping and planet grinding discs are used for working of valves sealing surfaces on stationary drill press. Tilt tables are recommended for accurate alignment of gate valves and wedges.




ULM
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unigrind ULM

Single-plate surface lapping machine for precision lapping and polishing of surfaces from components such as:

  • Valve parts (valve disks und wedges)
  • Compressor parts
  • Mechanical seals of pumps

Size of lapping plate: Ø 420 mm (16,5”)
                                     up to max. Ø 1520 mm (59,8”)
Max. workpiece size: Ø 625 mm (24,6”)

  • Lapping plate rotation speed infinitely adjustable
  • Timer
  • Lapping compound feed continuously adjustable at the control desk


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