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BTM Pneumatic Automation Clamps

BTM manufactures a complete line of standard products used in the metal forming and fabricating industry. Standard products are utilized in work holding, clinching and piercing applications and include pneumatic power clamps, grippers, locators, air toggle presses and air/oil intensifying presses.

BTM patented Tri-Lock Mechanism

BTM's patented Tri-Lok® mechanism is a three point lock which remains engaged even if air pressure is lost. In addition to locking, the mechanism also provides accurate arm position and repeatability. Clamps equipped with Tri-Lok® are ideal for use in clamping, or as a backup.

The exclusive Tri-Lok mechanism removes all working tolerances from all moving parts to provide a very repeatable (+/- 15') and rigid closed arm position. This unique arrangement is highly resistant to torque coming from force applied to the clamp arm.

  • Three Point Lock: Remains Locked if Air Pressure is Lost
  • Arm Repeats Position Accurately
  • When used as a Toggle Clamp, the arm is shimmed & locking occurs in the linkage

BTM's patented Tri-Lok® Mechanism can be used as a Clamp or a precision backup and eliminates "over-center" Clamps.

automation clamps automation clamps

Clamp

BTM automation clamps

BTM STC-VP clamps are rugged and reliable. These clamps have been tested to 5 million cycles and are capable of accomodating large weight at the end of the clamp arm while maintaining a fast cycle rate.

STC-VP clamps are among the strongest and most accurate clamps on the market today. These clamps offer extremely precise position and repeatability due to the patented Tri-Lok mechanism- a three point lock which remains locked even if air pressure is lost. The VP series of clamps are designed to be an economical power clamp solution, and are based on BTM's highly successful STC line of power clamps.

  • 52mm - 62mm - 82mm (2" - 2.5" - 3.25") Bore Sizes.
  • Standard NAAMS Mounting.
  • Self-pumping Slide Rod Lubrication
  • Top & Bottom Porting.
  • Sealed Mechanism ~ Lubricated For Life Of Clamp.
  • TRI-LOK Mechanism ~ Use As A Clamp Or Back Up
  • Integral Oval Bore Cylinder With Heavy Wall.
  • Pin Arm Drive ~ Quick Change & Versatile Positioning.
  • Hardcoated Aluminum Body.
  • Access to Manually Unlock Clamp Linkage.
  • Status Controller ~ Single Connector Switch Package.

BTM STC power clamps have the following exclusive features:

  • One piece body and cylinder construction
  • Tri-Lok mechanism for exceptional repeatability of the closed arm position
  • Pin drive hub - one clamp allows RH, LH, or Dual Arms
  • Stackable - up to 3 clamps

STC Power Clamps

BTM automation clamps

BTM STC clamps are rugged and reliable. These clamps have been tested to 5 million cycles and are capable of accomodating large weight at the end of the clamp arm while maintaining a fast cycle rate.

BTM STC clamps are among the strongest and most accurate clamps on the market today. These clamps offer extremely precise position and repeatability due to the patented Tri-Lok mechanism- a three point lock which remains locked even if air pressure is lost.

  • 52mm - 62mm - 82mm (2" - 2.5" - 3.25") Bore Sizes.
  • One Body Provides Both NAAMS & European Mounting.
  • Sealed Mechanism ~ Lubricated For Life Of Clamp.
  • TRI-LOK Mechanism ~ Use As A Clamp Or Back Up
  • Integral Oval Bore Cylinder With Heavy Wall.
  • Pin Arm Drive ~ Quick Change & Versatile Positioning.
  • Hardcoated Aluminum Body.
  • Adjustable Cushions.
  • Status Controller ~ Single Connector Switch Package.

BTM STC power clamps have the following exclusive features:

  • One piece body and cylinder construction
  • Tri-Lok mechanism for exceptional repeatability of the closed arm position
  • Pin drive hub - one clamp allows RH, LH, or Dual Arms
  • Stackable - up to 3 clamps

TPC-32 Power Clamp

BTM's TPC-32 features a 32mm bore, and a three point locking mechanism which is designed to remain locked even if air pressure is lost. This clamp is compact, light weight, and sealed.

  • Patented TRILOK Mechanism.
  • Sealed Mechanism - Lubricated for Life of Clamp
  • Integral Cylinder with Heavy Wall.
  • One clamp model for single or dual clamp arms.
  • Integrated proximity switches do not need to be readjusted when arm opening changes.
  • Body is constructed of aluminum and hard coated to Rockwell C70 for excellent wear characteristics.


TPC-32 Clamp Arm Configurations:

Clamp arm

Sealed Offset (SO) Clamps

BTM clamps

BTM's Sealed Offset (SO) Clamps feature a sealed mechanism which is protected against weld spatter, dirt, chips, and coolants. BTM SO clamps are manufactured from a one-piece body for true alignment; and for increased versatility, BTM's SO clamps allow the arm to be mounted in 8 positions on each side of the clamp. Adjustable Arm Position (AAP) or Over Center Locking (OCL) options are also available.

  • 38mm (1.5") 62mm (2.5") Bore Sizes.
  • Locking Toggle Action .
  • Sealed Mechanism ~ Lubricated For Life Of Clamp.
  • Large Bearing Area.
  • Integral Cylinder With Heavy Wall.
  • Pin Arm Drive ~ Quick Change & Versatile Positioning.
  • Hardcoated Aluminum Body.
  • One Arm Supplied with Clamp .
  • Pre-Fitted & Tested Proximity Switches Optional.
BTM SO Clamp Features
BTM clamps BTM clamps
BTM's Pin drive arms allow fast changeover without disassembly of the sealed internal mechanism. Clamp arms can be mounted left, right or dual without modification.
BTM clamps
45° interchangeable arm positions.

PC 1500 & 2500 Clamps

BTM clamps

Rugged & Reliable, BTM's PC series of clamps are designed to provide high clamping forces and long work life within a compact, lightweight unit. The one-piece body eliminates premature wear due to misalignment; and binding.

  • One Piece Body
  • Integral Cylinder
  • Positive Locking Toggle
  • Lightweight
1500 PC Series Clamp Styles
  opening clamp vertical arm opening clamp horizontal arm opening clamp linear opening clamp side arm
  130° Opening Clamp Vertical Arm 110° Opening Clamp Horizontal Arm Linear Opening Clamp Plunger Arm Linear Opening Clamp Slide Arm
Bore Ø 38.1mm [1.5"] 38.1mm [1.5"] 38.1mm [1.5"] 38.1mm [1.5"]
Approx.
Weight
1.4 kg [3 lbs] 1.4 kg [3 lbs] 1.4 kg [3 lbs] 1.4 kg [3 lbs]
Stroke 43.15mm [1.699"] 38.33mm [1.509"] 34.14mm [1.344"] 43.15mm [1.699"]
Arm Opening 130° 110° 24.89mm [0.98"] 43.18mm [1.70"]
2500 PC Series Clamp Styles
  opening clamp vertical arm opening clamp horizontal arm linear opening clamp plunger arm linear opening clamp size arm
  130° Opening Clamp Vertical Arm 110° Opening Clamp Horizontal Arm Linear Opening Clamp Plunger Arm Linear Opening Clamp Slide Arm
Bore Ø 63.5mm [2.5"] 64.1mm [2.5"] 63.5mm [2.5"] 63.5mm [2.5"]
Approx.
Weight
5.0 kg [11 lbs] 5.0 kg [11 lbs] 5.0 kg [11 lbs] 5.0 kg [11 lbs]
Stroke 71.88mm [2.83"] 64.1mm [2.52"] 54.71mm [2.15"] 71.88mm [2.83"]
Arm Opening 130° 110° 40.64mm [1.6"] 71.88mm [2.83"]
         

100 Series OMNI Clamps

OMNI clamps

BTM's line of OMNI clamps are designed for high production; and most feature a manually positionable 360° rotating head which is locked into place when the mounting screws are tightened.

  • Compact & Light Weight.
  • Designed for High Production.
  • Several Styles Available.

OMNI clamp OMNI clamp

100 Series OMNI Clamp Specifications
  opening clamp vertical arm opening clamp horizontal arm linear opening clamp side arm
  130° Opening Clamp Vertical Arm 110° Opening Clamp Horizontal Arm Linear Opening Clamp Slide Arm
Bore Ø 25mm [1.00"] 25mm [1.00"] 25mm [1.00"]
Approx.
Weight
.34 kg [.75 lbs] .34 kg [.75 lbs] .34 kg [.75 lbs]
Stroke 29.21mm [1.15"] 25.91mm [1.02"] 29.21mm [1.15"]
Arm Opening 130° 110° 29.21mm [1.15"]
OMNI Head? yes yes yes

Retractible Power Clamps

retractable power clamps

BTM's Retractible Power Clamp (RPC) simplifies part transfer, or clamps in through hole applications. The clamp head retracts into the body for clearance when open. The RPC features rotateable mounting for easy installation.

 

 

 

  • Adjustable Mounts
  • Interchangeable Clamp Pads
  • Retractible Clamp Head
  • 1.5" [38mm] Bore
  • 8.5 lbs. [3.9kg]
retract clamps

 

Interchangeable Clamp Pads
interchangeable clamps interchangeable clamp pads
Steel Plain Steel Teeth
interchangeable clamp pads interchangeable clamp pads
Steel Cone Point Urethane: Soft /Hard
1500 Series BTM Retractible Power Clamp Specifications
Bore Ø 38mm [1.50"]
Approx. Weight 3.9 kg [8.5 lbs]
Clamping Force @ 5.5 BAR [80 PSI] 934N [210 lbf]

PLC-25 (100 Series Pin Locator Clamps)
locator clamps

BTMs’ 100 Series Pin Locator Clamps are compact & light-weight units designed for high production. Pin sizes range from 6mm - 12mm, and feature a fixed pin with a retractible finger. Magnetic position sensors are available.






Standard Pin Sizes
PLC Clamp Specifications
Clamping Force @ 5.5 BAR [80 PSI] 222N [50lbf]
Finger Travel 6mm [.24"] total.
(consists of 3mm rotational,
3mm straight line pull down stroke).
Bore Diameter 25.4mm [1.00"]
Cylinder Stroke 7mm [.28

Pin Locator Clamps (PLC) and Single Finger Clamps (SFC)

pin locator clamps

BTMs’ Pin Locator Clamps and Single Finger clamps are used in stationary part nests, welding fixtures, transfer systems, robot end effectors and numerous other clamping applications. These clamps locate and hold the work while other operations are performed.

BTMs’ PLC Clamps are offered with a wide range of round and diamond pins. These locating pins range from 42mm to 18mm in diameter. BTMs’ SFC Clamp fingers also come in special shapes and sizes for your application. The PLC and SFC series of clamps offers a constant force of 300lbs through the entire stroke. They can clamp on the thinnest material to material exceeding 25mm thick by utilizing a “donut” rest block. This series of clamps may also be altered for use as a trap for applications involving painted or show surfaces.

BTM PLC & SFC clamps are available in a variety of configurations. The cylinder bodies are all standard. The locating pin, clamp finger, and locating rest block “donut” can be custom made to fit the customer’s specific applications.

BTM's Locking Pin & Locking Single Finger Clamps are ideal for locating & holding production material and are used in a variety of manufacturing areas including automotive & refrigeration. These clamps can be used in conjunction with robot end arm effectors to produce state of the art automation production capabilities.

  • Hardened “Donut” Detail May Be Altered Per Application / Material Thickness.
  • 360° Mounting (2 Locations)
  • 90° Positive Locating Detents
  • Finger Relief For Hole Flange Clearance (PLC63 & LPLC38 models only.
    PLC-45 will clamp on top of flange)
  • World Switch Packages for Turck, Namco & Pepperl+Fuchs
  • True 4-way Locating Capability
  • Precision Hardened and Ground Pin
    • Range: 18mm-42mm dia. Specials Welcome
How BTM Pin Clamps work:
BTM clamps BTM clamps BTM clamps BTM clamps
Part Loaded over Pin Finger Extends out of Pin Finger Clamps Part
How BTM Single Finger Clamps work:
BTM clamps BTM clamps BTM clamps
Part is loaded over the retracted finger and rests on the rest block ("donut"). swings in the direction of clamping surface with 5mm of rotational travel. The finger then has up to 10mm of straight line travel to the clamped position.
PLC Clamp Specifications
  BTM clamps BTM clamps BTM clamps
  PLC-45 PLC-63 LPLC-38
Hole Ø/Slot Width Range 12.5-18mm 18mm-40mm 18mm-40mm
Clamping Force @ 5.5 BAR [80 PSI] 578N [130lbf] 1334N [300lbf] 1112N [250lbf]
Finger Travel 15mm [.59"] total.
(consists of 5mm rotational,
10mm straight line pull down stroke).
Same as PLC-45/63
+ 3mm locking range
from clamping surface.
Bore Diameter 45mm [1.77"] 63mm [2.50"] 38mm [1.50"]
Cylinder Stroke 15mm [.59"] 15mm [.59"]. 38.5mm [1.52"]
SFC Clamp Specifications
  BTM clamps BTM clamps
  SFC-63 LSFC-38
Hole Ø/Slot Width Range 18-40mm 18mm-40mm
Clamping Force @ 5.5 BAR [80 PSI] 1334N [300lbf] 1112N [250lbf]
Finger Travel 15mm [.59"] total.
(consists of 5mm rotational,
10mm straight line pull down stroke).
Same as SFC-63
+ 3mm locking range
from clamping surface.
Bore Diameter 63mm [2.50"] 38mm [1.50"]
Cylinder Stroke 15mm [.59"] 38.5mm [1.52"

Precision Part Locators (Shot Pin Cylinders)

BTM clamps BTM's Precision Part Locators are ideal for locating production material and are used in a variety of manufacturing areas including automotive & refrigeration. Our Precision Part Locators are commonly featured in welding applications, however, they can be used anytime your production needs require locating precision holes including clamping and fixturing.

  • Shot Pin Type Actuator
  • Mounts to same pattern as STC Clamps (N.A.A.M.S.)
  • One Piece Body. Integral Cylinder with heavy wall
  • Oval or Round Piston Designs
  • Sealed Mechanism Lubricated for Life
  • Non-Rotating Rod
  • Optional Prefitted Proximity Switches
  • Lightweight, Compact Design.

BTM clamps

PPL Specifications
  BTM clamps BTM clamps BTM clamps
  PPL-52 PPL-62 CPPL-62
Bore Ø 52mm [2.0"] 62mm [2.5"] 62mm [2.5"]
Retract Force @ 5.5 BAR [80 PSI] 934N [210lbs] 1512N [340lbs] 1312N [295lbs]
Extend Force @ 5.5 BAR [80 PSI] 1001N [225lbf] 1557N [350lbs] 1557N [350lbs]
Anti-Rotation ±0° 4' ±0° 4' ±0° 30'
Approx. Weight 4.3kg [9.5lbs] 5.5kg [12lbs] 3.4kg [7.5lbs]

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