Products | FORKARDT rotary workholding

FORKARDT chucks are renowned throughout the world for innovative, patented designs, quality materials, accuracy of performance and durability. As the sole UK and Ireland agent for FORKARDT, Brown & Holmes offers a comprehensive range of standard and special rotary power chucks, special chucking systems, expanding mandrels and steady rest packages all supported by our in-house expertise in design, retro-fitting, installation and technical back-up.

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Rotary Workholding FORKARDT

Power Chucks: QLC

Power Chucks: QLC

Features and Benefits:

  • Patented multiple base jaw profile with improved guiding length 
  • Minimal loss of lubricating grease through gaps and undercuts
  • Best possible clamping forces obtained through multiple jaw guides
  • Patented backlash free wedge hook mechanism for maximum clamping forces and highest repeatability
  • Quick jaw change system optional

>View PDF Brochure

Power Chucks: QLC-LS

Power Chucks: QLC-LS

Features and Benefits:

  • 95 % more clamping stroke for workpieces with variations in diameter
  • Easily grip stepped workpieces
  • Available as 2- and 3-jaw versions
  • Innovative (patented) multiple base jaw profile with improved guiding length
  • Minimal loss of lubricating grease through gaps and undercuts

>View PDF Brochure

Power Chucks: QLC-AG

Power Chucks: QLC-AG

Features and Benefits:

  • High precision clamping of off-centre parts even at high clamping forces
  • Ingenious pull-back action imporves part location on centre
  • Easily interchangeable and finely adjustable centre housings
  • Simple change-over for self-centering mode for general chucking work
  • Patented multiple base jaw profile with improved guiding length 

>View PDF Brochure

Power Chucks: QLC-KT

Power Chucks: QLC-KT

Features and Benefits:

  • Ideal for heavy-duty machining.
  • Designed to enable enormous clamping forces with consistently high repeatability and precison.
  • Maximum gripping force
  • Maximum speeds
  • Quick-change jaw system (easily automated)

>View PDF Brochure

Power Chucks: FNC

Power Chucks: FNC

Features and Benefits:

  • Three jaw configuration with quick-jaw-change system
  • Patented wedge hook profile ensures enormous gripping forces and optimum efficiency
  • Faster gripping due to shorter stroke of central actuator 
  • Compatible with all common machine spindles.

>View PDF Brochure

Power Chucks: 2 KTN/KTG

Power Chucks: 2 KTN/KTG

Features and Benefits:

  • Two-jaw model
  • Up to 70% larger loading capacity than ordinary wedge hook chucks
  • Simple mounting to spindle noses according to DIN or ASA
  • Standard and special jaws available for different workpiece shapes
  • Designed for extreme production environments and heavy machining applications

>View PDF Brochure

Power Chucks: 3 KTN/KTG

Power Chucks: 3 KTN/KTG

Features and Benefits:

  • Three-jaw model
  • Up to 70% larger loading capacity than ordinary wedge hook chucks
  • Simple mounting to spindle noses according to DIN or ASA
  • Standard and special jaws available for different workpiece shapes
  • Designed for extreme production environments and heavy machining applications

 >View PDF Brochure

Power Chucks: 4 KTN/KTG

Power Chucks: 4 KTN/KTG

Features and Benefits:

  • Four-jaw model
  • Up to 70% larger loading capacity than ordinary wedge hook chucks.
  • Simple mounting to spindle noses according to DIN or ASA
  • Standard and special jaws available for difficult workpiece shapes
  • Designed for extreme production environments and heavy machining applications

>View PDF Brochure

Power Chucks: KS

Power Chucks: KS

Features and Benefits:

  • Larger through hole bore for handling larger diameter work pieces
  • Up to 70% larger loading capacity than ordinary wedge hook chucks.
  • 40% greater through hole than comparable chucks
  • Heavily engineered for extreme production environments and heavy machining applications

>View PDF Brochure

Power Chucks: 2 BLN

Power Chucks: 2 BLN

Features and Benefits:

  • Designed for machining irregular shaped components
  • Jaw slides and all moving internal parts are made from hardened, high alloy steel
  • Top jaws located on serrations and easily adjusted or changed
  • Base jaws have lubrication facilities
  • Chuck body is recessed to reduce weight

>View PDF Brochure

Power Chucks: UBL-2UBL

Power Chucks: UBL-2UBL

Features and Benefits:

  • Two-jaw model
  • Easy conversion from external to internal chucking
  • Positive pullback action
  • Internally lubricated and sealed against contamination
  • Jaw homing device allows jaws to compensate for part variations

>View PDF Brochure

Power Chucks: UBL-3UBL

Power Chucks: UBL-3UBL

Features and Benefits:

  • Three-jaw model
  • Easy conversion from external to internal chucking
  • Positive pullback action
  • Internally lubricated and sealed against contamination
  • Jaw homing device allows jaws to compensate for part variations

>View PDF Brochure

Manual Chucks: Type F+

Manual Chucks: Type F+

Features and Benefits:

  • Hardened chuck body for maximum precision and service life
  • Backlash-free mechanism for maximum accuracy
  • Maximum loadability and wear resistance
  • Quick jaw change within seconds
  • Suitable for use on all types of lathes

>View PDF Brochure

Manual Chucks: PSA

Manual Chucks: PSA

Features and Benefits:

  • Four independent jaws can be set up as needed.
  • Ideal for cylindrical and irregular shaped workpieces
  • Spindle housing and jaws made from hardened steel 
  • Designs with quick-change jaw system for rapid change from I.D. to O.D. clamping

>View PDF Brochure

Cylinders: OKRJ

Cylinders: OKRJ

Features and Benefits:

  • Rotary hydraulic cylinders for use on chucks without through hole bores
  • Versatile design also allows use with through hole chucks
  • Modular design enables insertion of long workpieces
  • Optional dynamic pressure monitor and cooling-water connection

Cylinders: PZR

Cylinders: PZR

Features and Benefits:

  • Closed centre pneumatic cylinders for the actuation of closed and partly open centre power chucks
  • Pneumatically operated
  • Modular design
  • Enable insertion of long workpieces
  • Optional dynamic pressure monitor

Cylinders: PZLHM

Cylinders: PZLHM

Features and Benefits:

  • Rotating pneumatic through hole cylinders
  • Light metal construction
  • Developed specifically for power chucks operating at speeds of up to 8,000 rpm
  • Long stroke, low inertia effect and virtually maintenance free
  • Suitable for high speeds even under continous operation

Shock Absorbers: SDVN Adjustable Industrial

Shock Absorbers: SDVN Adjustable Industrial

Features and Benefits:

• Linear deceleration
• Minimal braking force
• Sensitive and stepless adjustment
• High performance
• Good safety reserves at maximum
performance

Shock Absorbers: SDC Self Adjustable

Shock Absorbers: SDC Self Adjustable

Features and Benefits:

• Self adjusting

• Universally applicable

• High energy absorption

• High safety margins

• High reliability

Grip Force Meters: SKM 1200 and SKM 1500

Grip Force Meters: SKM 1200 and SKM 1500

Features and Benefits:

  • Advanced technology
  • Lightweight, easy handling
  • Sophisticated software
  • Consistently high accuracy
  • Robust design and service-free operation
  • Applicable for mobile use
  • Carry-case with accessories

Expanding Mandrels: EM

Expanding Mandrels: EM

Features and Benefits:

  • Power-operated 
  • Interchangeable clamping sleeves for maximum flexibility
  • Power-operated flange variant can be mounted on machine spindle with an intermediate flange
  • Interchangeable stops, rigid or moving, can be tailored to your specific workpieces

>View PDF Brochure

Expanding Mandrels: D

Expanding Mandrels: D

Features and Benefits:

  • Multi-bladed Mandrel with Axial clamping (no pull back action)
  • Wide clamping range
  • Suitable for automatic loading
  • Repeatability to 0.01mm
  • Uncompromising clamping geometry for narrow, consistent production tolerances

>View PDF Brochure

Jaws: Wedge System Chucks: FMB

Jaws: Wedge System Chucks: FMB

Features and Benefits:

  • Undivided soft top jaws 
  • Used for accurate clamping of machined workpieces when clamping surfaces should not be damaged
  • Turned by the user to ensure high accuracy and repeatability

Jaws: Wedge System Chucks: FSTB

Jaws: Wedge System Chucks: FSTB

Features and Benefits:

  • Undivided hard stepped jaws
  • For chucks with wedge block system
  • Jaws for universal application that can be reground in the chuck.
  • Increased driving force due to multiple teeth for maximum stability. 

Jaws: FHB

Jaws: FHB

Features and Benefits:

  • Hard top jaws 
  • Designed for universal application
  • Can be reground in the chuck
  • Offer an increased driving force due to multiple teeth

Jaws: FWB

Jaws: FWB

Features and Benefits:

  • Soft top jaws
  • Used for the accurate clamping of machined work pieces, when clamping surfaces should not be damaged
  • Turned by the user to ensure extremely high accuracy and repeatability

Jaws: FGB

Jaws: FGB

Features and Benefits:

  • Hardened base jaws with soft top jaws
  • Designed for clamping finished machined workpieces
  • Can be turned in chuck to achieve highest precision for finish-machining and precision work 

Jaws: HB

Jaws: HB

Features and Benefits:

  • Hardened top jaw
  • Designed for universal application
  • Can be ground in the chuck when mounted
  • Higher clamping force due to diamond style serration.

 

Jaws: KBKTNC

Jaws: KBKTNC

Features and Benefits:

  • Roughing jaws
  • For heavy duty machining of overhanging work pieces
  • With replaceable chucking claws SKA (for external clamping) and SKI (for internal clamping)
  • Chucking claws provide safe gripping even on short clamp surfaces

Jaws: WBL

Jaws: WBL

Features and Benefits:

  • For clamping workpieces that have already been turned and whose gripping areas must not be damaged
  • Can be machined under chucking pressure to the required diameter

Jaws: BLEWB

Jaws: BLEWB

Features and Benefits:

  • Soft top jaws
  • Designed for chuck type BLN
  • Ideal for gripping on already-machined surfaces

Jaws: NUTS

Jaws: NUTS

Features and Benefits:

  • Jaw mounting bolts
  • Locators
  • T-nuts and bolts
  • Inserts

Steady Rests: TYPE L

Steady Rests: TYPE L

Features and Benefits:

  • Essential during manufacture of long and/or thin shaft type workpieces
  • Can be fitted to most CNC or conventional lathes, even when space is constrained
  • Usually installed to support shafts being turned between centres
  • Patented system gives a uniform clamping force
  • Optional: with stroke control, swing-away lever or a combination