standard chucking mechanisms - speedgrip chuck...
TRANSCRIPT
![Page 1: Standard Chucking Mechanisms - Speedgrip Chuck Co.speedgrip.com/wp-content/uploads/2017/04/for-1-Standard... · 2017. 4. 13. · Turning Milling Grinding Inspection Work Hobbing Fixture](https://reader035.vdocuments.net/reader035/viewer/2022071503/6123984479082b38c671068c/html5/thumbnails/1.jpg)
Standard Chucking Mechanisms
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Standard Workholding Mechanisms
3 Basic Chuck Styles
Chucks
Locators
Mandrels
3 Taper Nose Types
Single Taper
Double Taper
Reverse Taper
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Chuck Styles
Standard Chucking Assembly
For use with spindle adapters providing stir-around feature
Supplied for manual or drawbar actuation
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Chuck Styles
Locator Assembly
For fixed position workholding
Supplied for manual or drawbar actuation
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Chuck Styles
Between-Center Mandrel Assembly
For between-center workholding
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Taper Styles
Single Taper
For parts requiring radial-grip force with pull-back action for location
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Taper Styles
Double Taper
For longer or multi-step parts where radial-grip force with pull-back action for location is required
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Taper Styles
Reverse Taper
For parts requiring radial-grip force and dead-length positioning
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Applications
Turning
Milling
Grinding
Inspection Work
Hobbing
Fixture Work
Most Second Operation Processes
Versatility At a Reasonable Price
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Standard Chucking Assemblies
Single Taper
Double Taper
Reverse Taper
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Standard Locator Assemblies
Single Taper
Double Taper
Reverse Taper
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Between Center Mandrels
Single Taper
Double Taper
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Consider Single Taper Use for :
Through Bores
Virtually All Second Operations
Points to Consider
Stop Faces Should be Square
Bores Should be Reasonably Straight
Short Parts Should be Chucked Over Center of Part
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Consider Double Taper Use for :
Shallow or Blind Bores
Bores with Slight Tapers
Points to Consider
Stop Faces Should be Square
Collet Tapers Should be Covered
Automatic Load Applications Can Create Release Problems
Stepped Bores
If in Question, Contact Speedgrip Engineering
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Consider Reverse Taper Use for :
Pull-Back Action Might Distort Thin Section Piece Parts
Other Objections to Pull-Back are Present
Points to Consider
Absence of Pull-Back Action Reduces Driving Ability
Occasional Release Problems May Occur
If in Question, Contact Speedgrip Engineering
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It is highly recommended that Speedgrip Chuck be consulted on all applications involving the reverse taper principle.
Reverse taper chucking is ideal when thin piece parts must be chucked and no distortion due to “pull-back” can be tolerated. The absence of this “pull-back”, however, results in substantially decreased driving power. In all reverse taper applications, it is highly advisable to supplement collet chucking with some form of face plate driver, pin, block, etc.
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Speedgrip “Safety Collar System”
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Standard Collet Attributes
Single Taper Collets
Least Expensive
Readily Available
Clearance for Shallow Bore Parts
Double Taper Collets
Inexpensive
Most Readily Available
* Note – single taper chucks and locators are stocked thru size #8
More Expansion than Single Taper
Longer Size Collets Available
* Note – double taper chucks and locators are non-stocked and are built as needed
Reverse Taper Collets
Same as single taper just used differently
* Note – reverse taper chucks are non-stocked and are built as needed
(stocked finished with unground OD and un-slotted)
(stocked finished with unground OD and open slots)
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Mounting Spindle Adapters and
Chucks to Spindles
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Standard Self-Contained Actuators
Provides chucking pressure for any size Speedgrip standard chuck
Adaptable to lathe spindles or machining centers
Spring chuck with air or hydraulic release
In stock for immediate delivery (C-8358 & C-8360 models)
Models now available to accept JF locators (C-10479 thru C-10482)
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Self-Contained Actuator
Models to accept 4”, 6”, 10” & 13” flange size chucks
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Self-Contained Actuator
Models to accept all JF locator sizes