B1.9405

Mini Threaded Work Support

900 lbs

Features

  • smallest hydraulic work support available anywhere
  • considerable load capacity, yet have a very small M26x1.5 body thread and can be installed as close as 30mm between centers
  • manifold mounting capability allows space-saving low-height installation
  • available in the three versions shown below: Spring Extended, Fluid Advanced, Air Advanced

 

 

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The mini threaded-body version shown here is the smallest hydraulic work support available anywhere. These work supports have considerable load capacity, yet have a very small M26x1.5 body thread and can be installed as close as 30mm between centers. Manifold mounting capability allows space-saving low-height installation. Available in the three versions shown below:


      • Spring Extended
      • Fluid Advanced
      • Air Advanced

 

Support Action – Spring Extended 

The mini threaded-body version shown here is the smallest hydraulic work support available anywhere. These work supports have considerable load capacity, yet have a very small M26x1.5 body thread and can be installed as close as 30mm between centers. Manifold mounting capability allows space-saving low-height installation. Highly corrosion resistant with stainless steel plunger and internal components. Metallic wiper and FKM wiper together provide excellent protection against dirt and coolant entry. Hardened contact bolt with sealing furnished. Available in one size, with the following load capacity at 5000 psi: 900 Lbs

Plunger is normally extended by light spring force. When the workpiece is loaded, its weight depresses the plunger to the proper height. When fluid pressure is applied, the precision sleeve grips the plunger, locking it securely. Locking height is repeatable within +/-.0002″. Such excellent repeatability is possible because of two design features: 1) a precision sliding-fit pressure sleeve holds the plunger absolutely vertical even while unlocked, avoiding any inaccuracy due to locking a tilted plunger, and 2) locking force is entirely radial, so the plunger remains absolutely stationary during the locking process.

Design Considerations – Do not use the plunger to lift loads, or support side loads. The support plunger must always be protected against penetration of contaminants by a contact bolt (furnished). When supporting underneath a clamp, use a Sequence Valve to delay clamping until the Work Support has reached sufficient load capacity to resist the clamping force. Support load capacity should be at least 2 times clamping force at all times, to resist not only static clamping force, but also dynamic forces due to clamping-arm momentum and machining forces.

 

Support Action – Fluid Advanced 

Fluid-advanced Work Supports provide extra loading clearance and are ideal for workpieces that are too light to depress a spring-loaded plunger. The mini threaded-body version shown here is the smallest hydraulic work support available anywhere. These work supports have considerable load capacity, yet have a very small M26x1.5 body thread and can be installed as close as 30mm between centers. Manifold mounting capability allows space-saving low-height installation. Highly corrosion resistant with stainless steel plunger and internal components. Metallic wiper and FKM wiper together provide excellent protection against dirt and coolant entry. Hardened contact bolt with sealing furnished. Available in one size, standard stroke or long stroke, with the following load capacity at 5000 psi:  900 Lbs

Plunger is normally retracted for clear workpiece loading and unloading. Applying fluid pressure gently advances the plunger to the workpiece, where it contacts with light spring force. As fluid pressure increases, the precision sleeve grips the plunger, locking it securely. The plunger retracts again when pressure is released. Locking height is repeatable within +/-.0002″. Such excellent repeatability is possible because of two design features: 1) a precision sliding-fit pressure sleeve holds the plunger absolutely vertical even while unlocked, avoiding any inaccuracy due to locking a tilted plunger, and 2) locking force is entirely radial, so the plunger remains absolutely stationary during the locking process.

Design Considerations – If the workpiece is light enough that plunger contact could lift it, use a Sequence Valve to delay advancing the work support until after the workpiece is clamped. Do not exceed maximum fluid flow rate in table; otherwise the support could lock prematurely before the plunger is fully extended. Do not use the plunger to lift loads, or support side loads. The support plunger must always be protected against penetration of contaminants by a contact bolt (furnished). When supporting underneath a clamp, use a Sequence Valve to delay clamping until the Work Support has reached sufficient load capacity to resist the clamping force. Support load capacity should be at least 2 times clamping force at all times, to resist not only static clamping force, but also dynamic forces due to clamping-arm momentum and machining forces.

 

Support Action – Air Advanced 

Air-advanced Work Supports allow fine-tuning contact force using a Fine Air Pressure Regulator, and provide separate control of plunger advance. The mini threaded-body version shown here is the smallest hydraulic work support available anywhere. These work supports have considerable load capacity, yet have a very small M26x1.5 body thread and can be installed as close as 30mm between centers. Manifold mounting capability allows space-saving low-height installation. Highly corrosion resistant with stainless steel plunger and internal components. Metallic wiper and FKM wiper together provide excellent protection against dirt and coolant entry. Hardened contact bolt with sealing furnished. Available in one size, with the following load capacity at 5000 psi: 900 Lbs

Plunger is normally retracted for clear workpiece loading and unloading. Applying air pressure gently advances the plunger to the workpiece, where it contacts with light force. A Fine Air-Pressure Regulator, Air Extractor Dryer, and Air Clamping Valve are required for air control (see Related Products below). Fine-tune contact force using the air regulator. When fluid pressure is applied, the precision sleeve grips the plunger, locking it securely. The plunger retracts again when fluid pressure and air pressure are released. These Work Supports can also be used as “Air Extended” supports by leaving air pressure constantly on.

Locking height is repeatable within +/-.0002″. Such excellent repeatability is possible because of two design features: 1) a precision sliding-fit pressure sleeve holds the plunger absolutely vertical even while unlocked, avoiding any inaccuracy due to locking a tilted plunger, and 2) locking force is entirely radial, so the plunger remains absolutely stationary during the locking process. Design Considerations –  Do not use the plunger to lift loads, or support side loads. The support plunger must always be protected against penetration of contaminants by a contact bolt (furnished). When supporting underneath a clamp, use a Sequence Valve to delay clamping until the Work Support has reached sufficient load capacity to resist the clamping force. Support load capacity should be at least 2 times clamping force at all times, to resist not only static clamping force, but also dynamic forces due to clamping-arm momentum and machining. forces.
Mounting & Fluid Supply 
For manifold mounting, install support directly into a flat-bottom tapped hole in the fixture – see drawing for hole preparation instructions. Hydraulic sealing is accomplished by a Sealing Washer (furnished) placed directly underneath the support. Tighten to the recommended seating torque of 37 ft-lbs. For manifold mounting, fluid passages must be drilled as shown in the drawings. Do not use NPT fittings.

 

Document Title Language File Type

A specially designed metallic wiper edge effectively protects the FKM plunger wiper from hot, abrasive chips.