AMROK Cross Column
Cast Iron, Aluminum, Steel or Epoxy-Mineral
Standard grid patterns
Custom holes
Plain faces
Standard catalog sizes available
with “special” sizes upon request
CAD Models
Cross Tombstones provide minimum tool clearance to allow your work to be close to the spindle.
They also give you the ability to do three sided machining of your work piece. Based upon your application, corner faces could also be used to mount parts.
- Steel weldments are provided in any size upon request.
- CMM report is available upon request.
- Download our catalog for more information and call us to configure a Tombstone or Grid Plate that meets your needs.
CAD models will soon be available through the model numbers in the table below.
| AMROK Cross Column |
Plain Tombstone |
Cast Iron Weight (lbs.) |
Aluminum Weight (lbs.) |
A1 |
A2 |
B |
C |
D |
E |
F |
|
AMR-K03030918-12 |
247 |
94 |
3 |
3 |
9 |
18 |
300 mm |
1.5 |
N/A |
|
AMR-K03040918-12 |
273 |
104 |
3 |
4 |
9 |
18 |
300 mm |
1.5 |
N/A |
|
AMR-K04041024-16 |
471 |
181 |
4 |
4 |
10 |
24 |
400 mm |
1.5 |
N/A |
|
AMR-K04051124-16 |
559 |
215 |
4 |
5 |
11 |
24 |
400 mm |
1.5 |
N/A |
|
AMR-K04051228-20 |
796 |
306 |
4 |
5 |
12 |
28 |
500 mm |
2 |
N/A |
|
AMR-K05051224-16 |
652 |
250 |
5 |
5 |
12 |
24 |
400 mm |
1.5 |
N/A |
|
AMR-K05051228-20 |
844 |
324 |
5 |
5 |
12 |
28 |
500 mm |
2 |
N/A |
|
AMR-K05061224-16 |
693 |
266 |
5 |
6 |
12 |
24 |
400 mm |
1.5 |
N/A |
|
AMR-K05061228-20 |
891 |
342 |
5 |
6 |
12 |
28 |
500 mm |
2 |
N/A |
|
AMR-K06061424-16 |
658 |
253 |
6 |
6 |
14 |
24 |
400 mm |
1.5 |
2 |
|
AMR-K06061628-20 |
959 |
368 |
6 |
6 |
16 |
28 |
500 mm |
2 |
2 |
|
AMR-K06061632-25 |
1195 |
458 |
6 |
6 |
16 |
32 |
630 mm |
2 |
2 |
|
AMR-K06081828-20 |
1067 |
410 |
6 |
8 |
18 |
28 |
500 mm |
2 |
2 |
|
AMR-K06081832-25 |
1318 |
506 |
6 |
8 |
18 |
32 |
630 mm |
2 |
2 |
|
AMR-K08081828-20 |
1067 |
410 |
8 |
8 |
18 |
28 |
500 mm |
2 |
2 |
|
AMR-K08081832-25 |
1318 |
506 |
8 |
8 |
18 |
32 |
630 mm |
2 |
2 |
|
AMR-K08102032-25 |
1443 |
554 |
8 |
10 |
20 |
32 |
630 mm |
2 |
2 |
|
AMR-K10102232-25 |
1568 |
602 |
10 |
10 |
22 |
32 |
630 mm |
2 |
2 |
|
AMR-K12122440-32 |
2255 |
866 |
12 |
12 |
24 |
40 |
800 mm |
2 |
2 |
Ordering Guide
Please specify these 5 items when ordering:
1. Part Number (unless you need a special configuration)
2. After each part number specify
- "C" (casting only)
- "BO" (base machined only with mounting holes and locating description and overall height finish with lift holes)
- "BS" (plain machining complete)
- "D" (dedicated machining)
3. Material: Cast Iron, Aluminum, or Steel
4. Quality: Standard or Precision
5. Machining Specification
All tombstones are made to fit your machining center either by edge locating or with hardened and ground wear pads, center locating, or just plain mounting holes to your specifications.
We can provide plain faces, hole grid patterns with precision bushings and threaded inserts, precision T-slots, or any machining to your specifications. All configurations are available in standard or precision. All tombstones and plates are stress relieved. We also specialize in hydraulic/pneumatic or manual dedicated fixturing. We at Advanced Machine & Engineering have a complete team of engineers to design and build whatever type of fixture you might need.
Approval drawings are provided before manufacturing. CMM report is available upon request.
Tolerances | Standard | Precision |
Flatness (Tombstones & Plates) | .0005/12x12 | .0005/12x12 |
Parallelism (Tombstones) | .001/12 | .0005/12 |
Parallelism (Plates) | .0005/12 | .0005/12 |
Perpendicularity | .001/12 | .0008/12 |
Surface Finish | 63 RMS | 63 RMS |
Face Thickness | “≤30”” = ±.002, >30”” = ±.003” | “≤18”” = ±.001, >18”” = ±.002” |
Tapped Holes (non accumulative) | ±.005 | ±.005 |
Bore Diameter | -0 | -0 |
Precision Bushing I.D. | - 0 | - 0 |
Precision Bushing Concentricity | 0.0001 | 0.0001 |
Bored or Precision Bushing | ±.0005 | ±.0005 |
First Row Bushing Hole | ±.002 | ±.001 |
Bored or Precision Bushing | 0-20 ±.0015 | 0-20 ±.0005 |
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