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Tsubaki of Canada produces high-quality products for a wide range of industries and applications including roller chains, conveyor chains, sprockets, cable & hose carrier systems, clutches and backstops, and continuous flex cables.

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Engineering Class Sprockets

ENGINEERING CLASS SPROCKETS FROM TSUBAKI^®

Tsubaki maintains a wide array of sprocket options and can offer premium fabricated sprockets and traction rims for most Engineering Class applications.
Tsubaki sprockets are designed specifically based on the mating chain to assure proper dynamic interaction/articulation.
High Carbon, Alloy or Stainless materials are available.
A keyway and 2 set screws is standard, other locking options available on request.
All Tsubaki Engineering Class sprockets/traction rims are uniquely heat treated based on specific, proprietary schedules to ensure long and reliable service life.
Lightening holes, utilized to reduce weight and allow for efficient/safe handling are available for most designs.
Leverage the following data sheets to accurately document your sprocket for a quotation or call 1-800-323-7790 to discuss your project in detail with a Tsubaki Sprocket Specialist.

Smart Tooth® Sprocket Technology
Tsubaki’s Smart Tooth®sprockets with patented Wear Indicator Technology offer the ability to easily and proactively identify and schedule maintenance before a critical component failure. This innovative design not only allows for proactive sprocket wear identification, it also mitigates the risk of worn sprockets permanently damaging the mating chain. This patented technology is available on most Engineering Class Sprockets.

Acceptable Wear Area

Sprocket Construction Types / Styles

Solid

Solid plate, welded to solid hub.
A basic, economic construction.

Split

Split plate, split hub.
A basic construction that allows for easier installation – can remove without removing shaft.

Segmented

Solid plate welded to hub with bolt on segments.
An innovative construction that allows for easy segment replacement—can remove without removing shaft or hub body.

Segmented / Split

A split plate/hub with bolt on segments.
Ultimate flexibility – Segment or hub body can be easily serviced/replaced without removing shaft.

Hunting Tooth

A unique construction that allows for extended service life.
Hunting tooth sprockets have an odd number of teeth and are half the pitch of the mating chain. Every time the sprocket makes a revolution, the chain engages with one set of teeth, ahead of the previously engaged set. Hence, each sprocket tooth only sees engagement every other rotation.

Double Duty

An innovative construction that allow for extended service life.
Double Duty sprockets are double cut and have an even number of teeth. Utilizing strategic, manual indexing, this design can provide extended service life, somewhat similar to a hunting design for an even tooth setup.

Chain Saver Sprockets

A unique design that incorporates a special flanged rim on either side of the sprocket body. The chain sidebars rest on the flange as the chain wraps around the sprocket. This configuration keeps the chain on true center and distributes the load over a greater contact area, thus reducing the rate of wear.

Traction Rim / Wheel

Essentially a sprocket without teeth.
Available as a solid, segmented or a segmented/split design.
Ideal for single strand bucket elevators and/or abrasive conveyor applications.
Coefficient of friction must be great enough to allow the wheel to drive.
Key Benefit – Allows the chain to slip in an overload or obstructed condition.

Octagonal Wheel

Utilized with Heavy Duty Hard Faced Drag Chains. (See Page 243)
Octagon shape allows the dynamic forces to be transferred directly between chain sidebars and the flats of the octagon. This eliminates the traditional sprocket tooth/ chain bushing wear point.
Guide lugs are typical and keep the chain on center.
Hardfacing available for extreme conditions.

Full-Face Drum Sprocket

Highly respected design regularly utilized with both Welded Mill and Welded Drag chain. (See Pages 195 and 234)
Full-Face design offers an increased surface area which reduces contact pressures and in turn offers solid wear performance.
Available in single and multi-strand configurations.

A-Plate Drum Sprocket

Classic, traditional style utilized with both Welded Mill and Welded Drag chain. (See Pages 195 and 234)
Can handle misalignment quite well.
Open design allows for bulk material pass through.
Available in single and multi-strand configurations.

Engineering Class Sprockets

ENGINEERING CLASS SPROCKETS FROM TSUBAKI^®

Tsubaki maintains a wide array of sprocket options and can offer premium fabricated sprockets and traction rims for most Engineering Class applications.
Tsubaki sprockets are designed specifically based on the mating chain to assure proper dynamic interaction/articulation.
High Carbon, Alloy or Stainless materials are available.
A keyway and 2 set screws is standard, other locking options available on request.
All Tsubaki Engineering Class sprockets/traction rims are uniquely heat treated based on specific, proprietary schedules to ensure long and reliable service life.
Lightening holes, utilized to reduce weight and allow for efficient/safe handling are available for most designs.
Leverage the following data sheets to accurately document your sprocket for a quotation or call 1-800-323-7790 to discuss your project in detail with a Tsubaki Sprocket Specialist.

Sprocket Construction Types / Styles

Solid

Solid plate, welded to solid hub.
A basic, economic construction.

Split

Split plate, split hub.
A basic construction that allows for easier installation – can remove without removing shaft.

Segmented

Solid plate welded to hub with bolt on segments.
An innovative construction that allows for easy segment replacement—can remove without removing shaft or hub body.

Segmented / Split

A split plate/hub with bolt on segments.
Ultimate flexibility – Segment or hub body can be easily serviced/replaced without removing shaft.

Hunting Tooth

A unique construction that allows for extended service life.
Hunting tooth sprockets have an odd number of teeth and are half the pitch of the mating chain. Every time the sprocket makes a revolution, the chain engages with one set of teeth, ahead of the previously engaged set. Hence, each sprocket tooth only sees engagement every other rotation.

Double Duty

An innovative construction that allow for extended service life.
Double Duty sprockets are double cut and have an even number of teeth. Utilizing strategic, manual indexing, this design can provide extended service life, somewhat similar to a hunting design for an even tooth setup.

Chain Saver Sprockets

A unique design that incorporates a special flanged rim on either side of the sprocket body. The chain sidebars rest on the flange as the chain wraps around the sprocket. This configuration keeps the chain on true center and distributes the load over a greater contact area, thus reducing the rate of wear.

Traction Rim / Wheel

Essentially a sprocket without teeth.
Available as a solid, segmented or a segmented/split design.
Ideal for single strand bucket elevators and/or abrasive conveyor applications.
Coefficient of friction must be great enough to allow the wheel to drive.
Key Benefit – Allows the chain to slip in an overload or obstructed condition.

Octagonal Wheel

Utilized with Heavy Duty Hard Faced Drag Chains. (See Page 243)
Octagon shape allows the dynamic forces to be transferred directly between chain sidebars and the flats of the octagon. This eliminates the traditional sprocket tooth/ chain bushing wear point.
Guide lugs are typical and keep the chain on center.
Hardfacing available for extreme conditions.

Full-Face Drum Sprocket

Highly respected design regularly utilized with both Welded Mill and Welded Drag chain. (See Pages 195 and 234)
Full-Face design offers an increased surface area which reduces contact pressures and in turn offers solid wear performance.
Available in single and multi-strand configurations.

A-Plate Drum Sprocket

Classic, traditional style utilized with both Welded Mill and Welded Drag chain. (See Pages 195 and 234)
Can handle misalignment quite well.
Open design allows for bulk material pass through.
Available in single and multi-strand configurations.

BS-F Series Backstops

Tsubaki’s new BS-F Series backstops are designed for simple, drop-in installation to all major competitive external, low-speed backstop products. These backstops use a unique labyrinth seal design for maximum life with minimal maintenance. With Tsubaki’s innovative design features, our backstops ensure efficient and dependable operation in the harshest environments.

TYPICAL APPLICATIONS

Mining (Coal, Copper, Potash) - used in inclined conveyors and bucket elevators for transporting raw materials.
Power Generating Plants - used in inclined conveyors to transfer coal from the stockpile to the boiler rooms.
Cement Plants - used in bucket elevators and inclined conveyors for moving limestone and clay to crushers and silos.

COMMON INDUSTRIES
MINING
POWER GENERATING PLANTS
CEMENT
PORTS

INNOVATIVE FEATURES:
NON-ROLLOVER CAM

Provides higher torque ratings than the leading competitors due to the larger profile and greater contact area.
Improves performance and prevents costly and potentially dangerous rollover.

SPECIAL LABYRINTH SEAL

New seal design prevents the ingress of dust and other contaminants typically found in mining and cement plants, which extends the life of the lubricant.
Minimizes heat generation and provides trouble-free service with minimal scheduled maintenance.

Superior Performance in the Harshest Environments

GREASE LUBRICATION

Offers synthetic grease lubrication in a sealed backstop design.
Breather element is eliminated.
No need to monitor oil levels, refill the backstop or worry about moisture in the lubricant.
Provides trouble-free performance with minimized maintenance requirements.

DROP IN DESIGN

Tsubaki offers the narrowest backstop with an I-beam torque arm.
Quick and easy field replacement. Drop in compatible with most competitive products.

3 STEP
EASY CONNECTION
Step 1: Insert I-beam torque arm into clutch
Step 2: Insert lock pins through flange plate and secure torque arm
Step 3: Insert retaining pins into lock pins

One-Touch Inspection Door

Link To Knowledge Center

Tsubaki is offering tips and solutions to the most pressing problems that are often encountered in day-to-day operations.

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