- 1616 - Bass Tool & Supply, Inc. Houston Email Fax Toll Free www.basstool.com (713) 682-1889 [email protected] (713) 681-4931 800-442-0042 ROYAL "OIL COUNTRY" BULL HEAD DEAD CENTERS ● Designed for turning large tubes and pipes on lathes with live tailstocks. ● Can also be used in large-diameter grinding applications. ● Interchangeable heads (sold separately) offer maximum versatility. ● ±0.0002" TIR guaranteed. ● Extraction nut (included) allows for easy removal from tailstock. ● Special extended models offered for Mazak** lathes. TAPER MODEL C D K J WITH HEAD A J WITH HEADS B-E THREAD PART# 1-ROY- 4 MT Standard 4.06 1.231 N/A 4.63 3.91 M42 x 1.5 11576* 4 MT Mazak** 4.06 1.231 1.260 4.85 4.13 M42 x 1.5 11577* 5 MT Standard 5.19 1.748 N/A 4.63 3.91 M50 x 1.5 11578* 5 MT Mazak** 5.19 1.748 1.772 5.06 4.34 M50 x 1.5 11579* 6 MT Standard 7.25 2.494 N/A 4.69 3.97 M70 x 2 11580* 6 MT Mazak** 7.25 2.494 2.500 5.29 4.57 M70 x 2 11581* Royal "Oil Country" Bull Head Dead Center Shanks* HEAD MODEL B G HEAD WEIGHT (LBS.) PART# 1-ROY- A 4.62 1.63 7 10791 B 7.37 4.38 18 10792 C 10.12 7.13 33 10793 D 12.87 9.88 51 10794 E 15.62 12.63 65 10795 Modular Heads for Royal “Oil Country” Bull Head Dead Center SHANK HEAD * Head not included – order separately ** Mazak is a registered trademark of Yamazaki Mazak Corporation ROYAL "OIL COUNTRY" BIG-BORE BULL HEAD LIVE CENTERS ● Designed specifically for machining large diameter pipes for the oil and gas industry, but suitable for all large-bore applications. ● In contrast to standard bull head live centers, the modular head design of Royal “Oil Country” Big-Bore centers positions the workpiece closer to the bearing assembly for greater rigidity and longer operating life. ● Interchangeable heads are relieved to achieve the optimal strength/mass ratio, and are sized to cover a wider range of bore sizes with fewer models. ● Bearing configuration consisting of a heavy-duty tapered roller bearing, a large axial thrust bearing, and two precision needle bearings provides exceptional accuracy and rigidity under the most demanding production conditions. PART# 1-ROY- B G J MAX SUGGESTED RPM* WEIGHT OF WORKPIECE (LBS.) THRUST LOAD (LBS.) 10791 4.62 1.63 5.31 2,050 4,500 2,650 10792 7.37 4.38 4.59 1,300 4,500 2,650 10793 10.12 7.13 4.59 950 4,500 2,650 10794 12.87 9.88 4.59 750 4,500 2,650 10795 15.62 12.63 4.59 600 4,500 2,650 BULL HEADS SPECS WITH 5MT CENTER HEAD PART# 1-ROY- B G J MAX SUGGESTED RPM* WEIGHT OF WORKPIECE (LBS.) THRUST LOAD (LBS.) 10791 4.62 1.63 6.57 2,050 11,000 3,500 10792 7.37 4.38 5.85 1,300 11,000 3,500 10793 10.12 7.13 5.85 950 11,000 3,500 10794 12.87 9.88 5.85 750 11,000 3,500 10795 15.62 12.63 5.85 600 11,000 3,500 BULL HEADS SPECS WITH 6MT CENTER TAPER PART# 5 MT 1-ROY-10782 6 MT 1-ROY-10784 LIVE CENTER HEAD ● ±0.00025" TIR guaranteed. ● Head angle is 60° for proper part engagement +15' -0 BULL HEAD LIVE CENTERS * Head not included – order separately A graphical representation laser-marked onto the body of each Ultimate™ Multi-Tasking Live Center takes the guesswork out of the setup process by clearly identifying optimal working parameters. A SHANK STYLE B C E F G H I SPRING TRAVEL MAX SUGGESTED RPM1 WEIGHT OF WORKPIECE (LBS.) THRUST LOAD (LBS.)2 PART# 1-ROY- 1.1/4 SS 2.25 3.00 1.69 1.75 1.00 0.50 0.94 0.25 5,000 350 200 10590 1 Maximum recommended operating limit. Operating above this speed could result in heat build-up and accelerated bearing wear. 2 Exceeding this value will bottom-out springs. ROYAL ULTIMATE™ MULTI-TASKING LIVE CENTER WITH HEAVY DUTY BEARING AND SPRING-LOADED POINT FOR LOWER TURRET AND SUB-SPINDLE APPLICATIONS Proudly Made in U.S.A. ROYAL LIVE CENTERS ─ OFF-THE-SHELF "SPECIALS" 1- Very Rigid Bearing Arrangement 2- Exclusive Roto-Shield™ Technology 3- Low-Profile Head High-Precision Quad-Bearing Live Centers – Full Diameter Long Point Full-diameter long point for shaft work and parts with large center holes. A reduced-diameter long point for use when greater clearance is needed. A small bull-nose point for use with tubes or parts with large center holes. A female point with a 90° included angle for locating on OD part chamfers. A male point with a 90° included angle for locating on internal part chamfers. TAPER B E F G MAX. SUGGESTED RPM* WEIGHT OF WORKPIECE (lbs.) THRUST LOAD (lbs.) PART# 1-ROY- 2 MT 1.70 2.12 1.75 0.88 6,000 465 1,270 10478 3 MT 1.70 2.12 1.75 0.88 6,000 465 1,270 10479 4 MT 2.45 2.78 2.35 1.25 5,000 1,230 2,150 10480 5 MT 2.45 2.78 2.35 1.25 5,000 1,230 2,150 10481 High-Precision Quad-Bearing Live Centers – Small Diameter Long Point TAPER B E F G MAX. SUGGESTED RPM* WEIGHT OF WORKPIECE (lbs.) THRUST LOAD (lbs.) PART# 1-ROY- 2 MT 1.70 2.12 1.75 0.50 6,000 350 1,270 10482 3 MT 1.70 2.12 1.75 0.50 6,000 350 1,270 10483 4 MT 2.45 2.78 2.35 0.75 5,000 925 2,150 10484 5 MT 2.45 2.78 2.35 0.75 5,000 925 2,150 10485 High-Precision Quad-Bearing Live Centers – Bull Nose Point TAPER B E F G H MAX. SUGGESTED RPM* WEIGHT OF WORKPIECE (lbs.) THRUST LOAD (lbs.) PART# 1-ROY- 2 MT 1.70 2.12 1.25 1.75 0.75 6,000 750 1,270 10490 3 MT 1.70 2.12 1.25 1.75 0.75 6,000 750 1,270 10491 4 MT 2.45 2.78 1.58 2.50 1.12 5,000 1,905 2,150 10492 5 MT 2.45 2.78 1.58 2.50 1.12 5,000 1,905 2,150 10493 High-Precision Quad-Bearing Live Centers – 90° Female Point TAPER B E F G H MAX. SUGGESTED RPM* WEIGHT OF WORKPIECE (lbs.) THRUST LOAD (lbs.) PART# 1-ROY- 2 MT 1.70 2.12 1.00 1.12 0.15–1.00 6,000 885 1,270 10494 3 MT 1.70 2.12 1.00 1.12 0.15–1.00 6,000 885 1,270 10495 4 MT 2.45 2.78 1.25 1.50 0.21–1.38 5,000 2,240 2,150 10496 5 MT 2.45 2.78 1.25 1.50 0.21–1.38 5,000 2,240 2,150 10497 High-Precision Quad-Bearing Live Centers – 90° Male Point TAPER B E F G MAX. SUGGESTED RPM* WEIGHT OF WORKPIECE (lbs.) THRUST LOAD (lbs.) PART# 1-ROY- 2 MT 1.70 2.12 1.07 0.88 6,000 885 1,270 10486 3 MT 1.70 2.12 1.07 0.88 6,000 885 1,270 10487 4 MT 2.45 2.78 1.47 1.25 5,000 2,240 2,150 10488 5 MT 2.45 2.78 1.47 1.25 5,000 2,240 2,150 10489 Proudly Made in U.S.A. B G F E * Maximum recommended operating limit. Operating above this speed could result in heat build-up and accelerated bearing wear. * Maximum recommended operating limit. Operating above this speed could result in heat build-up and accelerated bearing wear. * Maximum recommended operating limit. Operating above this speed could result in heat build-up and accelerated bearing wear. * Maximum recommended operating limit. Operating above this speed could result in heat build-up and accelerated bearing wear. * Maximum recommended operating limit. Operating above this speed could result in heat build-up and accelerated bearing wear. B G F E B G F E H B G F E H B G F E Proudly Made in U.S.A. Proudly Made in U.S.A. Standard point angle is 60º +15' -0 ±0.0001" TIR ● Spring-loaded point overcomes the lack of hydraulic compensation found on tailstocks, protecting lower turrets and sub-spindles from overloading and/or crashes. ● Designed specifically for use on the latest multi-tasking CNC machines with lower turrets and/or sub-spindles. ● Much longer operating life than other spring-type live centers due to the outstanding sealing characteristics of the exclusive Royal Roto-Shield™ coupled with a long-life spring-loaded neoprene seal.
