Innovative Clamping Systems CLAMPING SYSTEMS • M A N U FA C T U R I N G • D E V E L O P M E N T • RESEARCH • MEASURING TECHNOLOGY MAIN CATALOGUE

Witte BARSKAMP Projected storage building completion in 2017 Witte Barskamp Witte was founded in 1969 and initially manufactured complex, highprecision parts for the aerospace industry. Today Witte has developed into a leading manufacturer of fixturing systems and gauges for all kinds of applications. Almost all leading companies from automotive and aircraft industries now rely on Witte technology in order to maintain high quality in their production process.

Customized clamping solutions ...97 ࡯ Examples

Witte BARSKAMP Business activities of Witte Barskamp GmbH & Co. KG Planning Why should you choose Witte Vacuum Systems? Deciding on Witte systems solutions is a decision for the future and reduces investment for every further project for pumps and fixtures. Established and proven in many different applications and industries Project management Research/Design Witte World Of Fixturing: Full coverage for clamping suitable parts from 10mm² to 100mm² All kinds of chuck surfaces (T-slots, slots, macro and micro bores etc.) Documentation/Installation Maintenance/After sales service ࡯ As everything is...

Vacuum Clamping Technology Vacuum clamping systems from Witte ࡯ Machining (milling, turning, drilling, grinding) ࡯ Measuring (tactile, optical) ࡯ Laser welding processes Vacuum supply for Witte vacuum clamping systems is created from any external supply lines.Complex vacuum fixtures can using either oil lubricated rotary vane pumps or the proven li- be equipped with mechanical, pneumatic, hydraulic or elec- quid ring pumps. There are more than 27 variations and sizes trical clamping, positioning and /or handling units. available as pumps or units. Venturi valves are obtainable.On turning machines...

Vacuum Clamping Technology System solutions in detail Grid holes Possible material of vacuum chucks Chuck types • Grid chuck • Heatable clamping chucks • Slot chuck • Coolable clamping chucks • Grid hole chuck • Light transmitting clamping chucks • Vac-Mat chuck • Microporous chuck • Macroporous chuck *) Available only on request

Vacuum Clamping Technology Rubber seal Replacement materials: Rubber seal, rubber adapter mat, Vac-MatTM, Foil, Booster, VilmillTM System complements Witte IceVice freeze clamping technology: Witte Weiguß mould clamping technologyIdeal for manufacturing of parts, which are almost impossible to clamp conventionally due to lack of suitable clamping surfaces. Freeze clamping technology Witte Weiguß mould clamping technology: Ideal for manufacturing of parts, which are almost impossible to clamp conventionally due to lack of suitable clamping surfaces. Mould clamping technology

Vacuum supply Vacuum supply, overview Vacuum units Compact vacuum units Vacuum pumps Modular vacuum units Compact vacuum systems Liquid ring pumps

Vacuum supply Vacuum Supply Pumps Units Workstations Application We have vacuum pumps available of different types to meet each individual need. Sizes and capacities vary from 5m3/h up to 500m3/h and more to guarantee optimal vacuum clamping whatever the circumstances Advantages • Reliable in continuous operation • Easy to maintain • Modular unit has integrated liquid separator • Space saving assembly for easy access • Integrated air filter, safety valve • Witte repair service with spare parts in stock • Pumps from 5m3/h to over 500m3/h, also on request dry running pumps • Liquid ring pumps run...

Vacuum supply Choosing a vacuum unit or pump Depending on your operation Witte offers different vacuum supply systems: Selection of vacuum supply depending on dimension of clamping surface : Area Vacuum units In addition to the pumps mentioned above the vacuum units also have an additional vacuum tank as well as various safety devices. Ǡ page 12 Modular vacuum unit In addition to the pump and tank the modular vacuum units also have an integrated liquid separator and various safety devices Ǡ page 16 Vacuum pump Vacuum pump Vacuum unit Handheld pumps / Pumps are standard, almost all of which can...

Vacuum supply Choosing vacuum supply according to working conditions Working conditions Working with fluids Small clamping area, Small loss of vacuum Low machining forces Handheld pump Handheld pump with liquid separator Larger clamping area, Vacuum Unit Vacuum unit with liquid separator Modular vacuum unit Liquid ring pump Higher loss of vacuum, Higher machining forces ̄ Large clamping area High loss of vacuum High machining forces Liquid ring pump Vacuum unit, mobile, with automatic liquid separator Very large clamping area Very high vacuum loss Very high machining forces Customized solutions...

Vacuum pumps Vacuum pumps Oil lubricated vacuum pumps offer the following advantages: • • • • • Air-cooled, therefore do not require coolant Highly reliable Low operating costs Good resistance to condensation Integrated oil mist separator, oil filter, check valve on suction side with sieve Vacuum pump 220-240 V working voltage, dry lubricated 1 pce connection unit comprising: ½ 3m vacuum hose ½ 3/2 way aerated valve ½ 1 vacuummeter All vacuum pumps can be used

Vacuum pumps Vacuum pump 230/400 V working voltage, oil lubricated Nr. Vacuum pump 400 V working voltage, oil lubricated Nr. 1 pce connection unit comprising: ½ 3m vacuum hose ½ 3/2 way aerated valve ½ 1 vacuummeter

Vacuum units Vacuum units Operating vacuum required can be produced in many ways. Witte vacuum units feature the following: • Drainage screw for coolants which have been sucked in • 3m connecting cable with CEE or Schuko plug • Oil lubricated vacuum pumps with an end vacuum rate of 20mbar absolute at full suction capability of i.e. 10 m3 upto 250 m3 per hour • Integrated pressure difference switch, which automatically switches the vacuum pump on or off thereby ensuring vacuum during machining but avoiding unnecessary idle running • Protection switch which protects electric motor from overheating...