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Modular clamping system ZEPo-v

v-tech’s ZEPO-v is a modular quick-change clamping system with wide application primarily in CNC machining centres. Its purpose is to streamline the production process thanks to very fast and repeatedly accurate replacement of the workpiece, jig or other equipment. It allows users to make the most of the production potential of their machine tools or entire automated production lines.

The core of the ZEPO-v clamping system consists of a unique element in the form of a NES-T pneumatic self-locking nest, whose high tensile force comes from the design and shape of the piston, which is optimized for even distribution of contact stress with emphasis on maintaining compact dimensions. The resulting application, composed of some variant of NES-T in combination with a wide range of UZV-T clamping bases and possibly other elements, covers all conceivable needs of modern metal working operation.
All parts of the ZEPO-v system are designed by our own v-tech design centre and are precisely manufactured in the Czech Republic on top-quality CNC machines. Thanks to the experience from our own production plant, they are also designed to provide meaningful and practical solutions for the end user. The fact that experience, design and production are “under one roof” predestines v-tech to create custom solutions and shift the technical solution towards greater perfection.
To verify the efficiency of using our clamps in-house, we also developed our own specialized software CNC Sensor. By its application, the user obtains valuable data on the utilization of the production centre and ultimately also on the resulting benefits of using ZEPO-v clamping systems and the return on investment

 


NES-T   Quick-change clamp

The NES-T pneumatic quick-change clamp is the cornerstone of the portfolio of v-tech clamping systems. It features compact dimensions and high clamping force, which pulls in the clamping pin. The large tensile force of the nest comes from the unique design of the clamping pneumatic piston, the shape of which is optimized for even distribution of contact stress while maintaining compact dimensions. NES-T is available with two basic diameters 135 mm and 175 mm, including a version for automatic pallet replacement in a fully automated process.

 

• Radical reduction of adjustment times for clamp replacement by up to 90 %
• Clamping accuracy (> 0.005 mm)
• High clamping force up to 24 kN (31 kN – Ø175 mm)
• Body made of heat-treated high-grade steel
• Self-locking mechanism – the clamping force remains even after the compressed air is disconnected
• Modularity – wide range of configurations
• Setting grooves for 90° indexing
• Compact size – nest height only 41 mm
• Precise processing of all components
• Maintenance-free – hermetically sealed
• Working pressure 8 bar
• Compatibility of all offered models (V-TECH)
• Open/closed indication
• Preparation for process automation – version NES-T-A 135
• Possible use in mechanical engineering requiring fast, accurate, firm connection

    The high pulling force of the pot is possible due to the unique design of the clamping pneumatic piston the shape of which is optimized for even distribution of the contact voltage while the compact dimensions are maintained.

    Clamping system sets

    The modularity of ZEPO-v allows for various configuration methods. Together with a suitable UZV-T base, you can create countless variants, e.g. with machine vices, chucks, clamping rails and other special clamping jigs.

    Manual version

    • UZV-T 2x

      Clamping base with 2 nests

      The clamping base with 2 nests is suitable for quick replacement of e.g. precision vices for CNC machining centres. With a simple and quick action, you can instantly change the clamping device, thus reducing unwanted adjustment times. The base is made of high-grade steel of the highest quality with an emphasis on precise processing. Thanks to a high clamping force of 2 × 24 kN, it can be used even in the most demanding roughing operations

       

      Designation  Clamping base 2x300    Clamping base 2x200   
      Number of pots22 
      Clamping force2x242x24kN
      Pitch of pots300200mm
        Pallet change time  < 10< 10s
      Power mediumairair 
      Materialrefined steelrefined steel 
      Dimensions500 x 256400 x 256mm
      Weight19.216.8kg
      Ordering number201601.01.02201601.01.18 

       

      The clamping base assembly includes:

      • the base of the refined steel
      • 2 clamping pots
      • 2 plastic glands
      • 1 clamping pin - fixed
      • 1 clamping pin - fixed - 1° of play
      • 2 positioning blocks into the mill table slot

      optional dimensional modification according to your requirements

      zakladna_2x_300pdf129.51 KB
      zakladna_2x_200pdf124.67 KB
    • UZV-T 4x

      Clamping base with 4 pots

      The version of the base with 4 pots provides a compact solution for quick clamping and positioning of the mechanical vices and clamping fixtures on the tables of vertical CNC milling machines. The positioned element can be combined easily in two directions perpendicular to each other. The base can be conveniently used for machining of the larger parts, for example, plates. The arrangement variability is very wide.

      Designation  Clamping base 4x   
      Number of pots4 
      Clamping force4 x 24  kN 
         Pallet change time  < 10s
      Power mediumair 
      Material refined steel 
      Dimensions360 x 456mm
      Weight28.6kg
      Ordering number201601.01.03 

       

      The clamping base assembly includes:

      • the base of the refined steel
      • 4 clamping pots
      • 4 plastic glands
      • 1 clamping pin - fixed
      • 4 clamping pins - 1° of play
      • 2 clamping pins - 2° of play
      • 2 positioning blocks into the mill table slot

      optional dimensional modification according to your requirements

      zakladna_4xpdf193.53 KB
      3D model base_4xstp17.18 MB



      Adapter for a universal chuck

      The adapter is used for precise and rigid locating of any universal chuck on the clamping nest of dia. 135. The adapter includes a clamping pin and locking screws to secure precise positioning. Adapter is available as semi-finished product as standard for customizing your particular universal chuck. On request, it can be adjusted according to chuck of your specification.

      DesignationAdapter chuck
      Materialsteel
      Ordering number201601.01.XX
      Examples of using for CNC machines

      Grob G550 , Hermle C52 , Hermle C250 , Mazak i600

    • UZV-T 6x

      Clamping base with 6 pots

      The present centrepiece of our portfolio is the base with 6 clamping pots. The main advantage of the solution is the possibility to position more mechanical vices in several configurations. It can be also frequently used for the needs of series production where a clamp with workpiece is clamped in each pot. With the 90° pot indexing feature, this workpiece can be indexed in a simple manner. Application of the top quality heat treated tool steels and precision processing are the matter of course. Everything is controlled pneumatically.

      Designation  Clamping base 6x   
      Number of pots6 
      Clamping force6 x 24  kN  
        Pallet change time  < 10s
      Power mediumair 
      Material refined steel 
      Dimensions360 x 655mm
      Weight38.6kg
      Ordering number201601.01.04 

       

      The clamping base assembly includes:

      • the base of the refined steel
      • 6 clamping pots
      • 6 plastic glands
      • 1 clamping pin - fixed
      • 4 clamping pins - 1° of play
      • 2 clamping pins - 2° of play
      • 2 positioning blocks into the mill table slot

      optional dimensional modification according to your requirements

       

      zakladna_6xpdf268.42 KB
      3D model base_6xstp25.54 MB
    • UZV-T 1H

      Clamping base 1x

      Designation  Clamping base 1x   
      Number of pots1 
      Clamping force1 x 24  kN  
        Pallet change time  < 10s
      Power mediumair 
      Material refined steel 
      Dimensions240 x 160mm
      Weight7kg
      Ordering number201601.01.24 

      The clamping base assembly includes:

      • the base of the refined steel
      • 1 clamping pot
      • 1 plastic gland
      • 1 clamping pin - fixed

      optional dimensional modification according to your requirements

      zakladna_1xpdf101.12 KB
      3D model base_1xstp4.01 MB
    • UZV-T-T
    • Accesories
      Change pallet 2 pots

      The universal change pallet for clamping your fixture or another clamping device in the clamping base of your machine.

      • As standard, it incorporates the handles to facilitate handling.
      • It is made of steel or high-strength aluminium.
      • Possible modification to meet your specific requirements - on demand
      DesignationChange pallet 2 x AlChange pallet 2 x Fe 
      Materialaluminiumrefined steel 
      Dimensions500 x 175500 x 175mm
      Weight6.317kg
      Ordering number201601.01.20201601.01.21 

       


      Change pallet 4 pots

      The universal change pallet for clamping your fixture or another clamping device in the clamping base of your machine.

      • As standard, it incorporates the handles to facilitate handling.
      • It is made of steel or high-strength aluminium.
      • Possible modification to meet your specific requirements - on demand
      DesignationChange pallet 4 x AlChange pallet 4 x Fe 
      Materialaluminiumrefined steel 
      Dimensions375 x 360375 x 360mm
      Weight9.926.5kg
      Ordering number201601.01.22201601.01.23 

       


      Change pin - fixed

      the clamping pin designated to position pallet in the exact position. The pin is mated in the clamping pallet via the precise Ø 25 h6. The pin is made of a refined hardened steel of the top quality.

      DesignationChange pin - fixed
      Materialhardened steel
      Ordering number201601.01.07

       

      3D model pin-fixedstp17.38 KB

      Change pin - 2° of play

      this clamping pin is used to eliminate heat dilatation of the clamp that is clamped to the base. Smaller size of the fitted diameter allows movement in two axes. This method can be conveniently applied in the applications under which high heat is generated. For example, when roughing is done without using any cooling emulsion.

      DesignationChange pin - 2° of play
      Materialhardened steel
      Ordering number201601.01.48

      Change pin - 1° of play

      the clamping pin with 1° of play is used to eliminate the heat dilatation in one direction. This direction is indicated with the groove milled from the pin face and it must be mounted in this way to the change pallet or the clamp.

      DesignationChange pin - 1° of play
      Materialhardened steel
      Ordering number201601.01.11

      Plastic blinder plug

      to prevent ingress of undesirable impurities into the clamping pot, it is convenient to use a blinder plug that is used in case the pot is not used.

      DesignationPlastic blinder plug
      Materialplastic POM / NBR
      Ordering number201601.01.15
      zatka_sestavapdf28.65 KB

    • UZV-T-TB
    • SKL-V 165
      Pneumatically operated chuck dia. 110

      The pneumatically operated universal chuck with integrated air piston including adapter and control valve is a powerful tool for quick replacement of semi-finished products. The clamp is optionally configured along the clamping base and centred on the outer diameter of the clamping nest. E.g. 6-nest clamping base can be fitted with 6 universal chucks to create the multiple productive clamping system. Universal chuck is fitted with standard jaws. On request, the chuck can be equipped with the foot pedal or electric switchboard for remote control.

      Designation

        Pneumatic chuck dia. 110   
      Chucking force7.5kN
      Chuck diameter 110mm
      Power mediumair 
      Nominal pressure6bar
      Max. pressure7bar
      Jaws stroke5.2mm
      Weight9.1kg
        Max. clamping dia.  110mm
      Order number  

       

      SKLICIDLO_AS04stp4.31 MB
    • 1
      Pneumatically operated chuck dia. 165

      Pneumatic chuck dia. 165 is a larger alternative to dia. 110. The universal chuck with integrated air piston is seated into an aluminium exchangeable pallet including control valve and two clamping pins. To locate this pallet, at least two clamping nests with the spacing of 200 mm are required. This ensures the firm clamping important for roughing operations. The exact chuck position allows palette to be configured in any direction and locating points on clamping base. On request, the chuck can be equipped with the foot pedal or electric switchboard for remote control.

      Designation

        Pneumatic chuck dia. 165   
      Chucking force21kN
      Chuck diameter 165mm
      Power mediumair 
      Nominal pressure6bar
      Max. pressure7bar
      Jaws stroke5.2mm
      Weight21.5kg
        Max. clamping dia.  165mm
      Order number  
      SKLICIDLO_AS06stp5.03 MB
    • 1

      Clamping base for automatic pallet change


      Clamping base for automatic pallet change with 4 nests New for machining cells for unattended automatic operation. Rigid, precise and robust interface between machine tools and a robotic manipulator for automatic exchange of pallets, vices or specific fixtures. In combination with ROBOT POINT, you can turn your existing machining center into a flexible automatic cell for the production of mechanical parts. The clamping base is fitted as standard with several sensors to check the correct functionality.

      • RFID sensor for identification of an exchangeable pallet with a workpiece or semi-finished product
      • sensor for opening individual clamping nests
      • Airsensoring - checking the correct seating of the exchangeable pallet on the clamping base
      • Blowing of bearing surfaces
      • Hydraulic / pneumatic jumpers for interchangeable pallets - suitable for special automatic clamping jigs
      Designation     Clamping base 4x auto        
      Number of pots  4 
      Clamping force  4 x 24 kN
      Pallet change time < 10 s
      Power mediumair 
      Blowing of contact surfaceyes 
      Clamping checkairsensoring 
      ID of palletRFID 
      External connectionair / hydraulic 
      Uncoupling sensoryes 
      Materialrefined steel  
      Dimensions360 x 456 mm
      Weight26,1kg
      Ordering number201703.03.01 

       

      customer's modification is available



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