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.
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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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.
|
$435.00
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1⁄2″ |
0.495 - 0.515 |
47121
*
Not sealed due to limited wall thickness.
|
$435.00
|
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33⁄64″ |
0.511 - 0.531 |
$435.00
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17⁄32″ |
0.526 - 0.546 |
$435.00
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35⁄64″ |
0.542 - 0.562 |
$435.00
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9⁄16″ |
0.558 - 0.578 |
$435.00
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37⁄64″ |
0.573 - 0.593 |
$435.00
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19⁄32″ |
0.589 - 0.609 |
$435.00
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39⁄64″ |
0.604 - 0.624 |
$435.00
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5⁄8″ |
0.620 - 0.640 |
$435.00
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41⁄64″ |
0.636 - 0.656 |
$435.00
|
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.
|
$481.00
|
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21⁄32″ |
0.651 - 0.682 |
$481.00
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11⁄16″ |
0.683 - 0.714 |
$481.00
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23⁄32″ |
0.714 - 0.745 |
$481.00
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3⁄4″ |
0.745 - 0.776 |
$481.00
|
||
25⁄32″ |
0.776 - 0.807 |
$481.00
|
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13⁄16″ |
0.808 - 0.839 |
$481.00
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27⁄32″ |
0.830 - 0.870 |
$481.00
|
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7⁄8″ |
0.870 - 0.901 |
$481.00
|
Royal Expanding Sleeves - Model C
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Nominal Sleeve Diameter | Gripping Range | Part Number | PRICE | |
|---|---|---|---|---|
7⁄8″ |
0.870 - 0.901 |
$481.00
|
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29⁄32″ |
0.901 - 0.932 |
$481.00
|
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15⁄16″ |
0.933 - 0.964 |
$481.00
|
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31⁄32″ |
0.964 - 0.995 |
$481.00
|
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1″ |
0.995 - 1.026 |
$481.00
|
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1 1⁄32″ |
1.026 - 1.057 |
$481.00
|
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1 1⁄16″ |
1.058 - 1.089 |
$481.00
|
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1 3⁄32″ |
1.089 - 1.120 |
$481.00
|
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1 1⁄8″ |
1.120 - 1.151 |
$481.00
|
Royal Expanding Sleeves - Model D
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Nominal Sleeve Diameter | Gripping Range | Part Number | PRICE | |
|---|---|---|---|---|
1 1⁄8″ |
1.120 - 1.151 |
$517.00
|
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1 5⁄32″ |
1.151 - 1.182 |
$517.00
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1 3⁄16″ |
1.183 - 1.214 |
$517.00
|
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1 7⁄32″ |
1.214 - 1.245 |
$517.00
|
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1 1⁄4″ |
1.145 - 1.276 |
$517.00
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1 9⁄32″ |
1.276 - 1.317 |
$517.00
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1 5⁄16″ |
1.308 - 1.339 |
$517.00
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1 11⁄32″ |
1.339 - 1.370 |
$517.00
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1 3⁄8″ |
1.370 - 1.401 |
$517.00
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1 13⁄32″ |
1.401 - 1.432 |
$517.00
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1 7⁄16″ |
1.433 - 1.464 |
$517.00
|
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1 15⁄32″ |
1.464 - 1.495 |
$517.00
|
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1 1⁄2″ |
1.495 - 1.526 |
$517.00
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1 17⁄32″ |
1.526 - 1.557 |
$517.00
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1 9⁄16″ |
1.558 - 1.589 |
$517.00
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1 19⁄32″ |
1.589 - 1.620 |
$517.00
|
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1 5⁄8″ |
1.620 - 1.651 |
$517.00
|
Royal Expanding Sleeves - Model E
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Nominal Sleeve Diameter | Gripping Range | Part Number | PRICE | |
|---|---|---|---|---|
1 5⁄8″ |
1.620 - 1.651 |
$630.00
|
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1 21⁄32″ |
1.651 - 1.682 |
$630.00
|
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1 11⁄16″ |
1.683 - 1.714 |
$630.00
|
||
1 23⁄32″ |
1.714 - 1.745 |
$630.00
|
||
1 3⁄4″ |
1.745 - 1.776 |
$630.00
|
||
1 25⁄32″ |
1.776 - 1.807 |
$630.00
|
||
1 13⁄16″ |
1.808 - 1.839 |
$630.00
|
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1 27⁄32″ |
1.839 - 1.870 |
$630.00
|
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1 7⁄8″ |
1.870 - 1.901 |
$630.00
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1 29⁄32″ |
1.901 - 1.932 |
$630.00
|
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1 15⁄16″ |
1.933 - 1.964 |
$630.00
|
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1 31⁄32″ |
1.964 - 1.995 |
$630.00
|
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2″ |
1.995 - 2.026 |
$630.00
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2 1⁄32″ |
2.026 - 2.057 |
$630.00
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2 1⁄16″ |
2.058 - 2.089 |
$630.00
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2 3⁄32″ |
2.089 - 2.120 |
$630.00
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2 1⁄8″ |
2.120 - 2.151 |
$630.00
|
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2 5⁄32″ |
2.151 - 2.182 |
$630.00
|
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2 3⁄16″ |
2.183 - 2.214 |
$630.00
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2 7⁄32″ |
2.214 - 2.245 |
$630.00
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2 1⁄4″ |
2.245 - 2.276 |
$630.00
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2 9⁄32″ |
2.276 - 2.307 |
$630.00
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2 5⁄16″ |
2.308 - 2.339 |
$630.00
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2 11⁄32″ |
2.339 - 2.370 |
$630.00
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2 3⁄8″ |
2.370 - 2.401 |
$630.00
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2 13⁄32″ |
2.401 - 2.432 |
$630.00
|
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2 7⁄16″ |
2.433 - 2.464 |
$630.00
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2 15⁄32″ |
2.464 - 2.495 |
$630.00
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2 1⁄2″ |
2.495 - 2.526 |
$630.00
|
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2 17⁄32″ |
2.526 - 2.557 |
$714.00
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2 9⁄16″ |
2.558 - 2.589 |
$714.00
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2 19⁄32″ |
2.589 - 2.620 |
$714.00
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2 5⁄8″ |
2.620 - 2.651 |
$714.00
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2 21⁄32″ |
2.651 - 2.682 |
$714.00
|
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2 11⁄16″ |
2.683 - 2.714 |
$714.00
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2 23⁄32″ |
2.714 - 2.745 |
$714.00
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2 3⁄4″ |
2.745 - 2.776 |
$714.00
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2 25⁄32″ |
2.776 - 2.807 |
$714.00
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2 13⁄16″ |
2.808 - 2.839 |
$714.00
|
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2 27⁄32″ |
2.839 - 2.870 |
$714.00
|
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2 7⁄8″ |
2.870 - 2.901 |
$714.00
|
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2 29⁄32″ |
2.901 - 2.932 |
$714.00
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2 15⁄16″ |
2.933 - 2.964 |
$714.00
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2 31⁄32″ |
2.964 - 2.995 |
$714.00
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3″ |
2.995 - 3.026 |
$714.00
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3 1⁄32″ |
3.026 - 3.057 |
$714.00
|
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3 1⁄16″ |
3.058 - 3.089 |
$714.00
|
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3 3⁄32″ |
3.089 - 3.120 |
$714.00
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3 1⁄8″ |
3.120 - 3.151 |
$714.00
|
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3 5⁄32″ |
3.151 - 3.182 |
$714.00
|
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3 7⁄32″ |
3.214 - 3.245 |
$714.00
|
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3 3⁄16″ |
3.183 - 3.214 |
$714.00
|
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3 1⁄4″ |
3.245 - 3.276 |
$714.00
|
*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.