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Stronghold Standard Series Manual
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Stronghold Standard Series Manual

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StrongHold clamping system
StrongHold SELECT
Series
MRO
Interchange
Reduced
Maintenance
Costs
StrongHold Standard
Series
Proven
Application
Performance
Robust
Products
15.1
DE-STA-CO
Subject to technical modifications without notice

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Summary of Contents for Stronghold Standard Series

  • Page 1 StrongHold clamping system StrongHold SELECT Series Interchange Reduced Maintenance Costs StrongHold Standard Series Proven Application Performance Robust Products 15.1 DE-STA-CO Subject to technical modifications without notice...
  • Page 2 Product group – stronghold clamping system Model no. Model no. Page Page 70250 15.18 030-1-S-2400 15.25 70260 030-1-D-2400 090-011-113 15.19 030-1-S-4000 15.26 090-012-221 030-1-D-4000 090-012-224 090-013-332 090-013-334 090-021-111 090-021-114 090-022-222 090-022-225 031-S-475 15.27 090-023-333 031-L-475 090-023-335 031-S-1100 031-L-1100 031-S-2400 031-L-2400...
  • Page 3 Product group – stronghold clamping system Model no. Model no. Page Page 70150 15.34 500173DE 15.42 500174DE 100178DE 15.35 70912 15.43 100178-230DE 70913 100186DE 15.36 100186-230DE 100179DE 15.37 100179-230DE 100888DE 15.38 100888-230DE 100279DE 15.39 100920DE 15.40 100190DE 037-100-122 15.41 15.3...
  • Page 4 Building safe workholding systems Safety means paying attention to the smallest details. A hastily proper tools when assembled workholding system can result in a hazardous operator bending tubing, and maintain environment. Hydraulic workholding is not a generic technique where proper minimum bend radii for most anything will work, nor is there one right or best answer for all hoses and tubing.
  • Page 5 Power workholding systems Application A Multiple double-acting actuators can be operated simultaneously when powered by a pump. Application B Two pairs of single-acting actuators are independently operated by remote mounted control valves and powered by one pump. Check valves prevent return line pressure fluctuations from affecting released clamps.
  • Page 6 Power workholding systems Application D Rotating unions are used to connect pressure and return lines on applications where fixture rotation does not allow fixed plumbing. Here, three single- acting actuators are independently operated by three remote mounted control valves. Each valve is connected to the rotating union which, in turn, is connected to a single pump.
  • Page 7 Power workholding systems Application H Like Application C (on page 2), two single-acting systems are independently operated by remote mounted control valves. Here the pressure reducing valve allows each system to have its own maximum pressure. The cylinder on the left operates at the pressure of the power source. The cylinder on the right can be set at a lower pressure by adjusting the pressure reducing valve.

  • Page 8: System Design Information

    System design information Planning The most important and cost effective part of the fixture design process most of these components are commonly available, conventional mounting will typically be the lower cost option. is planning. All facets of the project should be considered, and all questions answered before fixture design begins.
  • Page 9 System design information third and then the fourth, etc. When using a home run configuration, you begin at a manifold and run hydraulic lines all the way from the Manifold manifold to each clamp. Mounting The daisy chain method uses less tubing so it might appear that this would minimize back pressure.
  • Page 10 System design information Automation Hydraulic power clamping provides varying degrees of automation. During the planning stage, the method of actuating the fixture must be considered. The simplest systems use manually operated valves where the operator turns a handle to clamp and unclamp the fixture. In totally automated systems, the machine tool itself can be programmed to control the clamping and unclamping functions through the use of electric solenoid valves.
  • Page 11 System design information Torque vs. Tension Design Stroke Length A user’s first introduction to hydraulic power workholding is often Clamps and cylinders should never be designed into a fixture at their the replacement of the nut on a typical strap clamp with a center rated full stroke.
  • Page 12 System design information System Bleeding Milling, Turning and Boring Air trapped in the hydraulic system is the most common cause of erratic A rough estimate of cutting tool force – if the horsepower required to operation and slow return times. The most common way to bleed a make the cut is known –...
  • Page 13 System design information Static Friction Coefficients for Steel on Various Materials Force Friction Coefficient Material Clean Lubricated Cutting Brass 0.35 0.19 Tool Bronze – 0.16 Bronze, Aluminum 0.45 – Bronze, Phosphor 0.35 – Bronze, Sintered – 0.13 Carbon, Hard 0.14 0.11-0.14 Depth of Cut (in.) Feed per Revolution (in.)
  • Page 14 Design symbols Cylinder Symbols Work Support Symbols Work Support, Spring Advance Cylinder, Single-acting Cylinder, Double-acting Work Support, Air Advance Power Source Symbols Cylinder, Single-acting or Swing/Pull Clamp,Double-acting Electric/Hydraulic Pump Air/Hydraulic Pump, Reciprocating Pull Cylinder, Single-acting, Spring Return Air/Hydraulic Pump, Reciprocating 2-stage Pull Cylinder, Single-acting Clamp Symbols Screw Pump...
  • Page 15 Design symbols Control Valve Symbols Accessory Symbols Check Valve Pressure Sequence Valve, Adjustable with Reverse Free-Flow Check Valve Flow Restrictor, Fitted with Reverse Free-Flow Check Valve with Pressure Reducing Valve, Adjustable with Reverse Filtered Orifice Free-Flow Check Valve w/Over-Pressure Relief Valve Hydraulic Coupler Set, Uncoupled Check Valve, Pilot Operated with Filters Accumulator, Gas Charged...
  • Page 16 StrongHold SELECT 15.16 Subject to technical modifications without notice DE-STA-CO...
  • Page 17 Competitive pricing: Better quality components with higher ROI Our new StrongHold SELECT series is yet another example by DE-STA-CO making the best even better. Improving upon our existing StrongHold brand, we continue to design products and expand our product selection that help you, our customers, achieve tangible cost reduction in your manufacturing process.

  • Page 18: Hydraulic Cylinder

    Hydraulic Cylinder Block Style Hydraulic Cylinder Dimensions (In Inches) Model no. 70250 2.81 2.50 0.31 1.63 0.56 0.75 1.16 1.00 0.50 1/8 NPT 1/8 NPT 0.25 – (Single-acting) 70260 3.13 2.88 0.50 2.00 0.25 1.25 1.50 1.25 0.63 1/8 NPT (2) 1/8 NPT (2) 0.25 5/16-18 (Double-acting)
  • Page 19 StrongHold SELECT Block Cylinders DE-STA-CO’s Single-acting (spring return) and Double-acting Block Cylinders are designed for punching, pressing, riveting and bending applications. These block cylinders require no special mounting hardware and can be dual-position mounted (parallel or perpendicular) to piston travel on every model.
  • Page 20 Threaded Body Cylinders StrongHold SELECT DE-STA-CO’s Single-acting (spring return) and Double-acting Threaded Cylinders are extremely versatile and durable. They can be designed into a variety of high production applications including workpiece positioning, holding and ejecting applications where space is at a premium.
  • Page 21 Threaded Cylinders – SAE Ports 010-210-XXX, 010-211-XXX, 010-212-XXX Models The single-action, spring-return hydraulic power cylinders are small pistons that can be used singly or combined. They offer tremendous force in a small, easily mounted package that can be used in any attitude and requires only a single inlet port.
  • Page 22 Threaded Cylinders – SAE Ports Threaded Force at Effective Area Model no. SAE Ports Body Stoke 3,000 PSIG Displacement For Clamping Jamnuts 010-210-400 1/2-20 0.22 279 lbs. 0.024 cu. in. 0.110 Furnished 010-210-501 3/4-16 0.31 588 lbs. 0.061 cu. in. 0.196 Furnished 010-210-702...
  • Page 23 StrongHold SELECT Hyd. Swing/Pull Clamps – 475 lb. The DE-STA-CO StrongHold SELECT Threaded Body Swing/Pull Clamps are available in both single-acting and double-acting versions. They incorporate the latest hydraulic swing clamp 030-1-S-475 technology. The top port design allows easy access for plumbing connections. They are available with 90°...
  • Page 24 Hyd. Swing/Pull Clamps – 1,100 lb. StrongHold SELECT The DE-STA-CO StrongHold SELECT Threaded Body Swing/Pull Clamps are available in both single-acting and double-acting versions. They incorporate the latest hydraulic swing clamp 030-1-S-1100 technology. The top port design allows easy access for plumbing connections.
  • Page 25 StrongHold SELECT Hyd. Swing/Pull Clamps – 2,400 lb. The DE-STA-CO StrongHold SELECT Threaded Body Swing/Pull Clamps are available in both single-acting and double-acting versions. They incorporate the latest hydraulic swing clamp 030-1-S-2400 technology. The top port design allows easy access for plumbing connections.
  • Page 26 Hyd. Swing/Pull Clamps – 4,000 lb. StrongHold SELECT The DE-STA-CO StrongHold SELECT Threaded Body Swing/Pull Clamps are available in both single- acting and double-acting versions. They incorporate the latest hydraulic swing clamp technology. The 030-1-S-4000 top port design allows easy access for plumbing connections.
  • Page 27 StrongHold SELECT Hyd. Swing/Pull Clamp 475-2,400 lb. Arms Custom built arms of any length must clamp to the swing/pull clamp’s piston rod in a manner similar to the DE-STA-CO arms or some derating of the clamp will be necessary. The design feature “K,” in the chart and drawing at the bottom of this page, is recommended for all applications of custom, single arms.
  • Page 28 Hyd. Swing/Pull Clamp 4,000 lb. Arms StrongHold SELECT Custom built arms of any length must clamp to the swing/pull clamp’s piston rod in a manner similar to the DE-STA-CO arms or some derating of the clamp will be necessary. The design feature “K,” in the chart and drawing at the bottom of this page, is recommended for all applications of custom, single arms.
  • Page 29 StrongHold SELECT Hyd. Swing/Pull Clamps Accessories Flange Mounting Bracket DE-STA-CO’s StrongHold SELECT flange mounting brackets allow you to secure your swing/pull clamps. Swing clamps can also be screwed into a threaded hole and locked in position with a jam nut. Two jam nuts may also be used to secure the clamps in an unthreaded hole.

  • Page 30: Specifications

    Edge Clamp 70626 Model Hydraulic Edge Clamps offer fast part load/unload in drilling, milling, planing, grinding and other surfacing operations on either CNC or Bridgeport-type machines. These low profile clamps simultaneously apply horizontal and vertical clamping force against the sides of a workpiece, effectively allowing cutter access to an entire top surface.
  • Page 31 Thru-Hole Hydraulic Ram By inserting a rod through the hollow piston, these cylinders can be used to push or pull depending on the orientation of the ram. They will actuate a rod of any length or shape and are extremely effective in translating power to a remote location. Greater forces are generated in these thru-hole rams because of their larger piston area.
  • Page 32 Thru-Hole Hydraulic Rams Calculation of Forces Using Straps and Levers Figure #1 Figure #2 Figure #3 When the distance AB is equal to The downward force “A” is equal to the When Force “B” from Model 020-011-011DE Hollow Bore the distance BC the force upward upward force “C”...
  • Page 33 Air/Hydraulic Power Boosters The DE-STA-CO Air/Hydraulic Power Booster converts normal shop-line air pressure to high-pressure hydraulic power. The six models available provide oil displacements ranging from 1 cu. in. to 12 cu. in. per stroke. With the system filled, the volume of oil required to actuate a cylinder or pressure point is only equal to the cubic content of the piston displacement.

  • Page 34: Performance Data

    Pump / Reservoir 70150 Model Air-operated Model 70150 Hydraulic Pump/Reservoir provides fluid output pressure to 4,500 PSIG from regular shop air line. This unit is a completely self-contained air-operated hydraulic pressure source for portable or permanent installation. It operates economically on ordinary shop line air pressure from 40 to 125 PSIG and delivers high- pressure oil, up to 4,500 PSIG, for operating single or multiple hydraulic clamping devices.

  • Page 35: Electric/Hydraulic Pump

    Electric/Hydraulic Pump This two-stage, Continuous Pressure (demand) Pump contains all the necessary controls and circuitry for powering single-acting or double-acting continuous pressure workholding systems. It has a pressure switch and pressure regulator, both infinitely adjustable throughout the operating pressure range of 1,000 to 5,000 PSI. An internal safety relief valve prevents damage from exceeding the maximum rated pressure.
  • Page 36 Electric/Hydraulic Pump These Electric/Hydraulic Pumps are two-stage, continuous pressure (demand) pumps that contain all the necessary controls and circuitry for powering any single-acting or double-acting continuous pressure workholding system. They have a pressure switch and an external pressure regulator, both infinitely adjustable throughout the operating pressure range of 1,000 to 5,000 PSI.
  • Page 37 Manual Pallet Coupling Pump This Manual Pallet Coupling Pump has been designed specifically for use with manual pallet valve 110050DE and 110051DE. To clamp the pallet, simply start the pump using the remote hand switch. It runs until its pressure setting is reached, then stops automatically and drops pressure, then the hose may be disconnected.
  • Page 38 Manual Pallet Coupling Pump DE-STA-CO’s one-horsepower, totally enclosed-fan cooled Induction Motor Pump, is outfitted to operate DE-STA-CO’s single-acting manual pallet valves. To pressurize the clamping components on the pallet, simply start the pump using the remote hand switch. It runs until its pressure setting is reached, then stops automatically and drops pressure. The coupler and hose may now be easily disconnected and later reconnected.
  • Page 39 Manual Pallet Coupling Pump Designed specifically for use with manual pallet valves, this Single-Stage Pump includes a 5 ft. hose and special female coupler (100908DE) to mate with our manual pallet valves. Operation is simple: connect the coupler and release the pallet valve. Change the workpiece, then press the foot pedal to start the pump and clamp the piece.
  • Page 40 Air/Hydraulic Pump DE-STA-CO’s Single-Stage Pumps are continuous pressure, reciprocating, stall-type pumps – air pressure is simply converted to hydraulic pressure. Operated by any compressed air source, these pumps save energy by stalling when pressure is developed, 100920DE and require no energy use to maintain system pressure. Consult factory for pump- mounted valves.
  • Page 41 Screw Pump This versatile Screw Pump can produce up to 3,500 PSIG oil pressure. Reservoir capacity is 6.18 cu. in. Two vertical holes in the base and horizontal holes in the top and base, permit mounting in any convenient attitude. The sliding handle allows maximum leverage. 2.75 0.31 1.00...

  • Page 42: Check Valves

    Check Valves The SAE-4 (part number 500173DE) “T” port Check Valve is recommended on single-acting circuits where there is more than one directional valve per power source. These check valves are ideal for use in circuits where return line pressure fluctuations may affect released clamps.
  • Page 43 Directional Control Valves 70912, 70913 Models The DE-STA-CO DCV Series Valves are constructed of heat-treated alloy steel and aluminum components. They are compact, lightweight (12 oz.) and shift easily even under maximum pressure. The valves have extremely low leakage, less than one (1) drop per two (2) minutes at rated pressure.
  • Page 44 Download It! DE-STA-CO on-line 3D CAD Library and Configurator provides you with a valuable “hands-on” experience. Configure each DE-STA-CO StrongHold product with the options and accessories you require for your workholding application. Programmable positioning in 2D or 3D formats. Compatible with virtually any CAD language in many output formats.