SET-TRU Scroll Chucks SET-TRU SCROLL CHUCKS 28 SET-TRU CHUCKS Toolmex Customer Service 508-653-8897 • 800-992-4766 • www.toolmex.com • Toolmex SET-TRU Scroll Chucks can be used for all machining operations where universal chucks are used, along with applications where universal scroll chucks require tighter tolerances • Outstanding accuracy, versatility and long life makeToolmex SET-TRU chucks invaluable in the modern workshop and indispensable in the toolroom Features of 6-Jaw SET-TRU Chucks: • The 6 jaws grip firmly with less pressure and less distortion per jaw • Ideal for thin wall and second operation work • Eliminates the need for spring collets SET-TRU Chuck Features and Benefits: • Fine adjustment • Available with forged steel body or semi-steel body • 3 pinion design • 4 micro adjustment screws provide .0004" T.I.R. repeatability • 16", 20" and 25" diameter chucks with 3 jaws and 6 jaws use 8 micro adjustment screws achieving extremely high gripping concentricity • Two piece top and master jaws are American Standard tongue and groove • 4" diameter chuck has 2 sets of solid jaws • Scrolls are forged and fully hardened with thread flanks ground on both sides, then precisely balanced for longer life and higher accuracy • Each scroll is precisely balanced • Jaw teeth and guides on both sides are fully hardened and ground. Hardened and ground bushings are pressed into the pinion seats. Pinions in 3 pinion models are hardened and ground • Each chuck is balanced within fine limits (see page 26 of technical reference pages for more information) • Steel mounting plates are interchangeable with Toolmex SET-TRU chucks of the same size so that one chuck can be used on different spindles • The life of your Toolmex chuck can be extended significantly through proper maintenance and must be cleaned on a regular basis as recommended • For the best gripping results, use theToolmex recommended chuck grease: Part Number 7-799-025 Outstanding Accuracy and Quality Hardened and Ground Surfaces Steel Backplate Front View Chuck Back View See pages 185-186 for more information 2, 3, 4, and 6-Jaw SET-TRU Scroll Chucks, 0.0004" T.I.R. Order from Logan Actuator Co. - (815) 943-9500 - [email protected]
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• Toolmex SET-TRU Scroll Chucks can be used for all machining operationswhere universal chucks are used, along with applications where universalscroll chucks require tighter tolerances
• Outstanding accuracy, versatility and long life make Toolmex SET-TRU chucksinvaluable in the modern workshop and indispensable in the toolroom
Features of 6-Jaw SET-TRU Chucks:
• The 6 jaws grip firmly with less pressure and less distortion per jaw• Ideal for thin wall and second operation work• Eliminates the need for spring collets
SET-TRU Chuck Features and Benefits:
• Fine adjustment• Available with forged steel body or semi-steel body• 3 pinion design• 4 micro adjustment screws provide .0004" T.I.R. repeatability• 16", 20" and 25" diameter chucks with 3 jaws and 6 jaws use 8 micro
adjustment screws achieving extremely high gripping concentricity• Two piece top and master jaws are American Standard tongue and groove• 4" diameter chuck has 2 sets of solid jaws• Scrolls are forged and fully hardened with thread flanks ground on both
sides, then precisely balanced for longer life and higher accuracy• Each scroll is precisely balanced• Jaw teeth and guides on both sides are fully hardened and ground.
Hardened and ground bushings are pressed into the pinion seats.Pinions in 3 pinion models are hardened and ground
• Each chuck is balanced within fine limits (see page 26 of technicalreference pages for more information)
• Steel mounting plates are interchangeable with Toolmex SET-TRU chucks ofthe same size so that one chuck can be used on different spindles
• The life of your Toolmex chuck can be extended significantly through propermaintenance and must be cleaned on a regular basis as recommended
• For the best gripping results, use the Toolmex recommended chuck grease:Part Number 7-799-025
OutstandingAccuracy and Quality
Hardenedand GroundSurfaces
Steel BackplateFront View
ChuckBack View See pages 185-186 for more information
2, 3, 4, and 6-Jaw SET-TRU Scroll Chucks, 0.0004" T.I.R.
Quality Products • Partnership • Industry Experts SET-TRU CHUCKS
1. Chuck Body2. Back Cover3. Scroll Plate 7-887-5...4. Pinion 7-886-5...5. Pinion Half Ring 7-888-7...6. Pinion Sleeve 7-888-5...7. Hard Master Jaws 7-885-...8. Hard Top Jaws 7-883-...9. Grease Nipple10, 11 and 13. Back Cover Mounting Bolts12. Spindle Locating Pin - “A” Mount Only14. Spring Loaded Chuck Wrench 7-889-0...15 and 16. Hard Top Jaw Mounting Bolts 7-897-5...17. Chuck Mounting Bolts 7-897-7...18 and 20. Hex Keys 6-999-5...19. Fine Adjustment Screw 7-897-6...
Backplate and Chuck Mounting Principles for 15-3/4" through 25" Diameter Chucks
• The backplate’s outside diameter, d, is the same as chuck’s counterbore diameter, D• The clearance range between the chuck counterbore and backplate OD is from 0.0141" to 0.0236"
Backplate and Chuck Mounting Principles for 4" through 12-1/2" Diameter Chucks
• The backplate’s outside diameter, d, is the same as the chuck’s outside diameter, D• The clearance range between the chuck counterbore and backplate boss OD is from 0.0078" to 0.0129"
2, 3, 4, and 6-Jaw SET-TRU Scroll Chucks, 0.0004" T.I.R.
ChuckDia A B
(HB) C E T-slotLength
20" 0.9055 .5512 .2362 0.8268 4.51
25" 1.1811 .7087 .4724 1.0236 4.69
3-Jaw Chuck T-slot Dimensionsfor 20" and 25" Diameter Chucks Only
Quality Products • Partnership • Industry Experts SET-TRU CHUCKS
2 and 3-Jaw SET-TRU Scroll Chucks, 0.0004" T.I.R.with Fine Adjustment, Forged Steel Body
BISON 3-Jaw Scroll Chucks with Two-Piece Hard Reversible Jaws
• Forged Steel Body• 3 Pinion Design
Each chuck is provided with:
• 1 Set of hard master jaws• 1 Set of hard top reversible jaws• 1 Chuck wrench• 1 Set of mounting bolts• 1 Set of fine adjustment screws• 2 Hex keys• Eye bolts for chuck sizes 15-3/4 and
larger
BISON 3-Jaw Scroll Chucks with Hard Solid Jaws
• Forged Steel Body• 3 Pinion Design
Each chuck is provided with:
• 1 Set of hard solid ID jaws• 1 Set of hard solid OD jaws• 1 Chuck wrench• 1 Set of mounting bolts• 1 Set of fine adjustment screws• 1 hex key
ChuckDia
PartNumber
HoleDia
RPMmax
Wtlbs
5" 7-866-0500 1.378 3800 11
6-1/4" 7-866-0600 1.654 3500 21
8" 7-866-0800 2.165 3100 35
10" 7-866-1000 2.992 2700 59
12-1/2" 7-866-1200 4.055 2200 105
15-3/4" 7-866-1600 5.354 1800 201
20" 7-866-2000 7.480 1200 377
25" 7-866-2500 9.921 1000 630
ChuckDia
PartNumber
HoleDia
RPMmax
Wtlbs
4" 7-866-8040 .787 4200 7.3
5" 7-866-8050 1.378 3800 11
6-1/4" 7-866-8060 1.654 3500 21
8" 7-866-8080 2.165 3100 35
10" 7-866-8100 2.992 2700 59
12-1/2" 7-866-8120 4.055 2200 105
BISON 2-Jaw Scroll Chucks with Soft Top Reversible Jaws
• Forged Steel Body• 2 Pinion Design
Each chuck is provided with:
• 1 Set of hard master jaws• 1 Set of soft top reversible jaws• 1 Chuck wrench• 1 Set of mounting bolts• 1 Set of fine adjustment screws• 2 Hex keys
• Semi-steel body• 3 pinion design, hardened and ground
Each chuck is provided with:
• 1 Set of hard master jaws• 1 Set of hard top reversible jaws• 1 Self-ejecting chuck wrench• 1 Set of mounting bolts• 1 Set of fine adjustment screws• 2 Hex keys
For best gripping results, use the TMX recommended chuck grease: Part Number 7-799-025
Quality Products • Partnership • Industry Experts SET-TRU CHUCKS
4 and 6-Jaw SET-TRU Scroll Chucks, 0.0004" T.I.R.with Fine Adjustment, Forged Steel Body, 2 and 3 Pinion Design
BISON 6-Jaw Scroll Chucks with Two-Piece Hard Reversible JawsEach chuck is provided with:
• 1 Set of hard master jaws• 1 Set of hard top reversible jaws• 1 Chuck wrench• 1 Set of mounting bolts• 1 Set of fine adjustment screws• 2 Hex keys• Eye bolts (16” to 25” only)
BISON 6-Jaw Scroll Chucks with Hard Solid JawsEach chuck is provided with:
• 1 Set of hard solid ID jaws• 1 Set of hard solid OD jaws• 1 Chuck wrench• 1 Set of mounting bolts• 1 Set of fine adjustment screws• 1 hex key
ChuckDia
PartNumber
HoleDia
RPMmax
Wtlbs
5" 7-868-0500 1.378 3000 14
6-1/4" 7-868-0600 1.654 2500 25
8" 7-868-0800 2.165 2200 42
10" 7-868-1000 2.992 1900 78
12-1/2" 7-868-1200 4.055 1500 128
15-3/4" 7-868-1600 5.354 1300 250
20" 7-868-2000 7.480 800 397
25" 7-868-2500 9.921 700 647
ChuckDia
PartNumber
HoleDia
RPMmax
Wtlbs
6-1/4" 7-847-0600 1.654 2500 22
8" 7-847-0800 2.165 2200 37
10" 7-847-1000 2.992 1900 65
12-1/2" 7-847-1200 4.055 1500 119
ChuckDia
PartNumber
HoleDia
RPMmax
Wtlbs
4" 7-868-8040 .787 4000 9.7
5" 7-868-8050 1.378 3000 14
6-1/4" 7-868-8060 1.654 2500 25
8" 7-868-8080 2.165 2200 42
10" 7-868-8100 2.992 1900 78
12-1/2" 7-868-8120 4.055 1500 128
Type 3765
Type 3865
Type 3864
BISON 4-Jaw Scroll Chucks with Two-Piece Hard Reversible JawsEach chuck is provided with:
• 1 Set of hard master jaws• 1 Set of hard top reversible jaws• 1 Chuck wrench• 1 Set of mounting bolts• 1 Set of fine adjustment screws• 2 Hex keys
Quality Products • Partnership • Industry Experts SET-TRU CHUCKS
BISON Chuck Base Plates for Rotary Tables• Perfect for all rotary tables with 3/6 and 4/8 T-Slots• Designed for use with BISON SET-TRU chucks• Base plates are supplied with four mounting bolts
with T-nuts and one MT pin• See page 187 for more information
ChuckDia
Base Plate
PartNumber
Wtlbs
5" 7-872-605 3.9
6-1/4" 7-872-606 11.5
8" 7-872-608 16.8
10" 7-872-610 27.4
12-1/2" 7-872-612 46.3
15-3/4" 7-872-616 40.0
20" 7-872-620 77.0
BISON Chuck Base Plates for Milling Machine Tables• Perfect for all milling machine tables• Designed for use with BISON SET-TRU chucks• See page 187 for more information