• Guardian Safety Chuck

    Safety Chuck & Replaceable Inserts

  • Guardian Safety Chuck
  • Guardian Safety Chuck
  • Guardian Safety Chuck

Guardian Safety Chuck

Guardian Safety Chucks feature an increased safety factor (A2), longer service life, easier roll loading and has the lowest total cost of ownership in the industry

  • Overview
  • Models & Drawings
  • Options
  • Documents

Replaceable Inserts

  • Save Time – Hardened inserts offer a longer service life, and if they become worn or damaged, they can be quickly and easily replaced with just a couple of tools in a matter of minutes without needing to remove the chuck itself.
  • Save Money – Replace only the inserts. No longer a need to replace full handwheels when performing maintenance
  • Add Versatility – Inserts can be swapped out to accommodate other shaft sizes.

Shorter Lead Times
Standard Sized Safety Chucks are available in 3-4 weeks. Non standard available in 5-6.

Redesigned Journal Seat
Shorter Lead Times, Reduced Downtime, Reduced Maintenance Costs, and Increased Versatility

Automatic Locking in Case of Accidental Rotation
Beyond +/-10° rotation from the vertical axis Guardian Safety Chucks begin to automatically lock, achieving full lock at 30° to ensure maximum safety from accidental shaft rotation.

Lowest Total Cost of Ownership
A longer service life combined with reduced maintenance costs give the Guardian Chucks the lowest total cost of ownership over the lifetime of a chuck.

Easier Roll Loading for Operators

Built to Suit Customizable Shaft Ends

Self Centering Journal Seat

Pedestal Mount or Flange Mount Available

Longer Service Life

Normal and Sliding Chuck Styles Available

Backwards Compatible to Our KL Safety Chucks

Increased Safety Factor
A2 Journal seats have been re-designed and tested to provide one of the highest safety factors in the industry.

Rugged, Hardened Design
Guardian Safety Chucks are designed to withstand the harshest environments and working conditions while never sacrificing safety or performance.

Superior Concentricity
Tightly held journal seat tolerances provide superior roll winding/unwinding concentricity.

For additional information on Guardian Safety Chucks please download the Overview Brochure.

G-1000 Safety Chucks

For roll weights up to 2,248 lbs (10,000 N)

Chuck Capacity

Mount Max Roll Weight – lbs (N) Max Torque – in-lbs (Nm) Max Shaft Extension – in (mm) Drawings (with shaft end style) Price
Flange 2,248 (10,000) 1,770 (200) 3.54 (35k6 x 90) PDF DWG SLDPRT STEP Price Request
Pedestal 2,248 (10,000) 1,770 (200) 3.54 (35k6 x 90) PDF DWG SLDPRT STEP Price Request

Journal Dimensions

A2. Diamond – in (mm)* A3. Triangle – in (mm)**
1.00 – 1.25 (20 – 30) 0.787 – 1.181 (20-30)

*Chucks with A2 journal seats are required to have safety locks if roll weights exceed 70% of maximum roll weight

**Triangle Journal Dimensions (A3) are measured by creating a circle within the triangle and measuring the circles diameter.

 

G-1800 Safety Chucks

For roll weights up to 4,047 lbs (18,000 N)

Chuck Capacity

Mount Max Roll Weight – lbs (N) Max Torque – in-lbs (Nm) Max Shaft Extension – in (mm) Drawings (with shaft end style) Price
Flange 4,047 (18,000) 3,363 (380) 3.94 (50k6 x 100) PDF DWG SLDPRT STEP Price Request
Pedestal 4,047 (18,000) 3,363 (380) 3.94 (50k6 x 100) PDF DWG SLDPRT STEP Price Request

Journal Dimensions

A2. Diamond – in (mm)* A3. Triangle – in (mm)**
1.25 – 1.50 (30 – 40) 1.26 – 1.49 (32 -38)

*Chucks with A2 journal seats are required to have safety locks if roll weights exceed 70% of maximum roll weight

**Triangle Journal Dimensions (A3) are measured by creating a circle within the triangle and measuring the circles diameter.

 

G-3000 Safety Chucks

For roll weights up to 6,744 lbs (30,000 N)

Chuck Capacity

Mount Max Roll Weight – lbs (N) Max Torque – in-lbs (Nm) Max Shaft Extension – in (mm) Drawings (with shaft end style) Price
Flange 6,744 (30,000) 10,621 (1,200) 5.51 (65k6 x 140) PDF DWG SLDPRT STEP Price Request
Pedestal 6,744 (30,000) 10,621 (1,200) 5.51 (65k6 x 140) PDF DWG SLDPRTSTEP Price Request

Journal Dimensions

A2. Diamond – in (mm)* A3. Triangle – in (mm)**
1.50-2.00 (40 – 50) 1.575-1.850 (40 -47)

*Chucks with A2 journal seats are required to have safety locks if roll weights exceed 70% of maximum roll weight

**Triangle Journal Dimensions (A3) are measured by creating a circle within the triangle and measuring the circles diameter.

*the following are available options that can be added to your Guardian Safety Chucks

Reversible Safety Lock
Prevents unintentional opening of the hand wheel and are field reversible to improve operator accessibility.

Axial Carrier
Maintains precise shaft positioning and axial adjustment.

Conical Chuck Journal Seat
Allows use of simple journals without the risk of excessive stress and wear. This is a cost effective alternative to machining journals with difficult and expensive undercuts.

Hand Wheel Open/Closed Position Indication
Indicates whether hand wheel is open or closed via an electronic sensor.

 

Sliding Housing – G1800
Allows for up to +/- 50 mm axial adjustment.

High Speed Safety Chuck
Handles web speeds in excess of 300 m (980 ft.) per minute. This is achieved by balancing the hand wheel (with safety lock) and shaft.

Integrated Connection For Direct Inflation Of Winding Shafts – G1800
Offers ease and convenience of automatically inflating winding shafts while shafts are installed in the chuck. This is important in applications requiring differential winding shafts or for automated shaft and roll handling.

Converting from SuperChuck?

Guradian Safety Chucks can be drop in replacements for SuperChucks (sometimes require adapter plate). Contact an Applications Specialist today to review.


 

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