ROYAL POWER-BLOCK™ I.D. WORKHOLDING
For Milling Applications
- The Royal Power-Block™ I.D. Workholding System enables secure gripping on the internal bore of a workpiece for full external machining access.
- Pullback action draws workpiece securely against a ground locator for precise, consistent z-axis positioning.
- Unit can be mounted to a traditional machining center table and can also be used in 4th and 5th-axis applications.
- Fixture is designed to be actuated via hydraulic pressure and may also be actuated pneumatically for lighter-duty applications (contact us for details).
- For use with all Royal precision mandrels, stops, and sleeves. These items are sold separately.
- Heavy-duty all steel construction with a large double-acting piston provides high clamping force.
- Configured with both side and bottom ports for plumbing flexibility.
- Multiple units can be plumbed in series for single-source actuation.
- Ideal for high-production applications on vertical, horizontal, and five-axis machining centers.
- Tombstone and angle plate compatible.
How to Order:
- Choose the appropriate body assembly based upon your application.
- Choose the appropriate mandrel (models A-E) based upon the diameter you need to All mandrels and bodies share a common mounting interface for full interchangeability.
- If required, choose the appropriate part locator to provide a ground banking surface for the workpiece.
- Choose the appropriate expanding sleeve based upon the mandrel and diameter you need to grip.
Step 1 – Choose Body Assembly
POWER-BLOCK™ I.D. BODY – For Machining Centers
- This body can be mounted to any machining center table, 4th/5th-axis rotary tables, angle plates, tombstones, etc.
- Body weight (as shown) is 22lbs.
- Order mandrels, locators, and sleeves separately.
Royal Power-Block™ I.D. Assembly
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Description | PART NUMBER | PRICE | |
|---|---|---|---|
Royal Power-Block™ I.D. Body Assembly | $3,450.00 |
Step 2 - Choose Mandrel
- Choose appropriate mandrel model according to gripping range.
- All Royal mandrels have a common precision ground interface for complete compatibility with all Royal I.D. body assemblies.
- Order body assembly, locators, and sleeves separately.
Royal Mandrels
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Mandrel Model | Gripping Range | C | D | E | Max Axial Force (lbs) | Max Clamping Force (lbs) | PART NUMBER | PRICE | |
|---|---|---|---|---|---|---|---|---|---|
A | 0.479–0.640 | 1.57 | 0.57 | 0.87 | 1570 | 2670 | $1,620.00 | ||
B | 0.620 –0.901 | 1.81 | 0.59 | 1.06 | 2245 | 3820 | $1,620.00 | ||
C | 0.870 –1.151 | 2.05 | 0.61 | 1.26 | 2695 | 4580 | $1,620.00 | ||
D | 1.120 –1.651 | 2.32 | 0.60 | 1.50 | 4045 | 6875 | $1,620.00 | ||
E | 1.620 –3.276 | 2.52 | 0.58 | 1.69 | 5170 | 8785 | $1,620.00 |
Step 3 - Choose Part Locator
- Optional part locator bolts to the front of the mandrel and provides a precision banking surface for the workpiece to locate against.
- Order body assembly, mandrels, and sleeves separately.
Step 4 - Choose Expanding Sleeve
- Order expanding sleeves according to mandrel models A thru E.
- All expanding sleeves are fully sealed against coolant and chip penetration.
- Parallel grip ensures full-length part contact for optimum accuracy and grip force.
- All sleeves collapse 0.005" below nominal ground size to ensure easy part loading and unloading.
- Order body assembly, mandrels, and locators separately
Royal Expanding Sleeves - Model A
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Nominal Sleeve Diameter | Gripping Range | Part Number | PRICE | |
|---|---|---|---|---|
31⁄64″ | 0.479 - 0.499 | 47120 * Not sealed due to limited wall thickness. | $457.00 | |
1⁄2″ | 0.495 - 0.515 | 47121 * Not sealed due to limited wall thickness. | $457.00 | |
33⁄64″ | 0.511 - 0.531 | $457.00 | ||
17⁄32″ | 0.526 - 0.546 | $457.00 | ||
35⁄64″ | 0.542 - 0.562 | $457.00 | ||
9⁄16″ | 0.558 - 0.578 | $457.00 | ||
37⁄64″ | 0.573 - 0.593 | $457.00 | ||
19⁄32″ | 0.589 - 0.609 | $457.00 | ||
39⁄64″ | 0.604 - 0.624 | $457.00 | ||
5⁄8″ | 0.620 - 0.640 | $457.00 | ||
41⁄64″ | 0.636 - 0.656 | $457.00 |
Royal Expanding Sleeves - Model B
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Nominal Sleeve Diameter | Gripping Range | Part Number | PRICE | |
|---|---|---|---|---|
5⁄8″ | 0.620 - 0.651 | 47130 * Not sealed due to limited wall thickness. | $498.00 | |
21⁄32″ | 0.651 - 0.682 | $498.00 | ||
11⁄16″ | 0.683 - 0.714 | $498.00 | ||
23⁄32″ | 0.714 - 0.745 | $498.00 | ||
3⁄4″ | 0.745 - 0.776 | $498.00 | ||
25⁄32″ | 0.776 - 0.807 | $498.00 | ||
13⁄16″ | 0.808 - 0.839 | $498.00 | ||
27⁄32″ | 0.830 - 0.870 | $498.00 | ||
7⁄8″ | 0.870 - 0.901 | $498.00 |
Royal Expanding Sleeves - Model C
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Nominal Sleeve Diameter | Gripping Range | Part Number | PRICE | |
|---|---|---|---|---|
7⁄8″ | 0.870 - 0.901 | $498.00 | ||
29⁄32″ | 0.901 - 0.932 | $498.00 | ||
15⁄16″ | 0.933 - 0.964 | $498.00 | ||
31⁄32″ | 0.964 - 0.995 | $498.00 | ||
1″ | 0.995 - 1.026 | $498.00 | ||
1 1⁄32″ | 1.026 - 1.057 | $498.00 | ||
1 1⁄16″ | 1.058 - 1.089 | $498.00 | ||
1 3⁄32″ | 1.089 - 1.120 | $498.00 | ||
1 1⁄8″ | 1.120 - 1.151 | $498.00 |
Royal Expanding Sleeves - Model D
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Nominal Sleeve Diameter | Gripping Range | Part Number | PRICE | |
|---|---|---|---|---|
1 1⁄8″ | 1.120 - 1.151 | $543.00 | ||
1 5⁄32″ | 1.151 - 1.182 | $543.00 | ||
1 3⁄16″ | 1.183 - 1.214 | $543.00 | ||
1 7⁄32″ | 1.214 - 1.245 | $543.00 | ||
1 1⁄4″ | 1.145 - 1.276 | $543.00 | ||
1 9⁄32″ | 1.276 - 1.317 | $543.00 | ||
1 5⁄16″ | 1.308 - 1.339 | $543.00 | ||
1 11⁄32″ | 1.339 - 1.370 | $543.00 | ||
1 3⁄8″ | 1.370 - 1.401 | $543.00 | ||
1 13⁄32″ | 1.401 - 1.432 | $543.00 | ||
1 7⁄16″ | 1.433 - 1.464 | $543.00 | ||
1 15⁄32″ | 1.464 - 1.495 | $543.00 | ||
1 1⁄2″ | 1.495 - 1.526 | $543.00 | ||
1 17⁄32″ | 1.526 - 1.557 | $543.00 | ||
1 9⁄16″ | 1.558 - 1.589 | $543.00 | ||
1 19⁄32″ | 1.589 - 1.620 | $543.00 | ||
1 5⁄8″ | 1.620 - 1.651 | $543.00 |
Royal Expanding Sleeves - Model E
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Nominal Sleeve Diameter | Gripping Range | Part Number | PRICE | |
|---|---|---|---|---|
1 5⁄8″ | 1.620 - 1.651 | $662.00 | ||
1 21⁄32″ | 1.651 - 1.682 | $662.00 | ||
1 11⁄16″ | 1.683 - 1.714 | $662.00 | ||
1 23⁄32″ | 1.714 - 1.745 | $662.00 | ||
1 3⁄4″ | 1.745 - 1.776 | $662.00 | ||
1 25⁄32″ | 1.776 - 1.807 | $662.00 | ||
1 13⁄16″ | 1.808 - 1.839 | $662.00 | ||
1 27⁄32″ | 1.839 - 1.870 | $662.00 | ||
1 7⁄8″ | 1.870 - 1.901 | $662.00 | ||
1 29⁄32″ | 1.901 - 1.932 | $662.00 | ||
1 15⁄16″ | 1.933 - 1.964 | $662.00 | ||
1 31⁄32″ | 1.964 - 1.995 | $662.00 | ||
2″ | 1.995 - 2.026 | $662.00 | ||
2 1⁄32″ | 2.026 - 2.057 | $662.00 | ||
2 1⁄16″ | 2.058 - 2.089 | $662.00 | ||
2 3⁄32″ | 2.089 - 2.120 | $662.00 | ||
2 1⁄8″ | 2.120 - 2.151 | $662.00 | ||
2 5⁄32″ | 2.151 - 2.182 | $662.00 | ||
2 3⁄16″ | 2.183 - 2.214 | $662.00 | ||
2 7⁄32″ | 2.214 - 2.245 | $662.00 | ||
2 1⁄4″ | 2.245 - 2.276 | $662.00 | ||
2 9⁄32″ | 2.276 - 2.307 | $662.00 | ||
2 5⁄16″ | 2.308 - 2.339 | $662.00 | ||
2 11⁄32″ | 2.339 - 2.370 | $662.00 | ||
2 3⁄8″ | 2.370 - 2.401 | $662.00 | ||
2 13⁄32″ | 2.401 - 2.432 | $662.00 | ||
2 7⁄16″ | 2.433 - 2.464 | $662.00 | ||
2 15⁄32″ | 2.464 - 2.495 | $662.00 | ||
2 1⁄2″ | 2.495 - 2.526 | $662.00 | ||
2 17⁄32″ | 2.526 - 2.557 | $748.00 | ||
2 9⁄16″ | 2.558 - 2.589 | $748.00 | ||
2 19⁄32″ | 2.589 - 2.620 | $748.00 | ||
2 5⁄8″ | 2.620 - 2.651 | $748.00 | ||
2 21⁄32″ | 2.651 - 2.682 | $748.00 | ||
2 11⁄16″ | 2.683 - 2.714 | $748.00 | ||
2 23⁄32″ | 2.714 - 2.745 | $748.00 | ||
2 3⁄4″ | 2.745 - 2.776 | $748.00 | ||
2 25⁄32″ | 2.776 - 2.807 | $748.00 | ||
2 13⁄16″ | 2.808 - 2.839 | $748.00 | ||
2 27⁄32″ | 2.839 - 2.870 | $748.00 | ||
2 7⁄8″ | 2.870 - 2.901 | $748.00 | ||
2 29⁄32″ | 2.901 - 2.932 | $748.00 | ||
2 15⁄16″ | 2.933 - 2.964 | $748.00 | ||
2 31⁄32″ | 2.964 - 2.995 | $748.00 | ||
3″ | 2.995 - 3.026 | $748.00 | ||
3 1⁄32″ | 3.026 - 3.057 | $748.00 | ||
3 1⁄16″ | 3.058 - 3.089 | $748.00 | ||
3 3⁄32″ | 3.089 - 3.120 | $748.00 | ||
3 1⁄8″ | 3.120 - 3.151 | $748.00 | ||
3 5⁄32″ | 3.151 - 3.182 | $748.00 | ||
3 7⁄32″ | 3.214 - 3.245 | $748.00 | ||
3 3⁄16″ | 3.183 - 3.214 | $748.00 | ||
3 1⁄4″ | 3.245 - 3.276 | $748.00 |
*Not sealed due to limited wall thickness.
Note – sleeves larger than 2-1/2" dia. are 0.28" longer than dimension E and terminate flush with the face of the expanding rod.