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12″ Deluxe CNC Mill System
Product Description
The CNC Package Includes:
- Mill fitted with saddle oiler, stepper motor mounts and couplers on X-, Y- and Z-axes
- A computer with Ubuntu Linux-based OS with LinuxCNC 4-axis CNC software preinstalled
- Keyboard and mouse
- 4-axis driver board and power supply installed inside the computer
- Computer cables to the X-, Y-, and Z-axes are 69″ in length
- Instruction and utility CD. The CD includes complete instructions, and several free utilities to translate CAD files or TrueType fonts into G-code.
- A blank 4GB USB flash drive
- 1-year warranty on all components for non-production use. 90-day warranty on CNC and computer-related components.
You supply only a monitor.
Sherline CNC Specification Links
- Sherline CNC Specification page. See all the specs side-by-side on Sherline’s complete line of CNC Mills and CNC Lathes.
- Sherline Stepper Motor Specifications
- 4-Axis Driver Box Kit page. This driver box is sold separately. It is, however, the same driver that comes standard with every Sherline CNC computer system. Check out the Specifications tab on the page for details.
NOTE: Depending upon availability, the actual computer supplied with the system may look different than shown above.
Notes on ordering a metric mill
Most of our cutting tools, like center drills, are manufactured in a fractional size. If you have a metric machine with metric holders, like collets or end mill holders, you will need to order fractional holders to accommodate our cutting tools.
Standard equipment for the mill includes:
- A powerful 90V DC motor with electronic speed controller
- 12″ base
- 2″ (51mm) adjustable “zero” handwheels are mounted on each of the stepper motors
- 2.75″ (70 mm) x 13.0″ (330 mm) table with two T-slots
- Pulleys, drive belt, three hexagonal keys, spindle bars, gib removal tool, eight-foot three-wire power cord, and instruction manual
- Headstock spacer block
- ¼” Drill Chuck w/ key, #1 Morse arbor with drawbolt
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Always wear safety glasses when operating machine tools. |
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Download PDF Assembly and Instruction Guide
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Download PDF 12″ Mill Base Dimensions
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Download PDF 5000/5400 Mill Column Base Dimensions
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| Max clearance (table to spindle) |
8.00″ (203 mm) |
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| Throat (no spacer) |
2.25″ (50 mm) |
| Throat (w/ headstock spacer) |
Included, 3.50″ (89 mm) |
| Travel, “X” Axis | 8.65″ (220 mm) (9″ (228 mm) w/stop screw removed) |
| Travel, “Y” Axis | 5.00″ (127 mm) |
| Travel, “Z” Axis | 6.25″ (159 mm) |
| Hole through spindle | .405″ (10 mm) |
| Spindle nose thread | 3/4″-16 T.P.I. |
| Spindle nose taper | #1 Morse |
| Spindle runout of Morse taper | .0005″ or less |
| Handwheel graduations | .001″ (.01 mm) |
| Width Overall* | 15.00″ (381 mm) |
| Depth Overall* | Base footprint: 17.625″ (448 mm); With fully extended brass leadscrew cover: 20.5″ (520 mm) |
| Height Overall (Max.)* | 20.75″ (527 mm) |
| Table size | 2.75″ x 13.00″ (70 x 330 mm) |
| Hold-down provision | 2 T-Slots |
| Shipping Weight | 40 lb. (18.2 kg) |
| Movements in addition to X-, Y- and Z-axes |
Headstock rotation (90° left/right) |
| Motor | 90 volt DC with electronic speed control that accepts any incoming current from 100VAC to 240 VAC, 50 Hz or 60 Hz. Click here for motor specifications |
| Spindle Speed Range | 70-2800 RPM continuously variable by electronic speed control |
| CNC Stepper motor holding torque | 136 oz-in |
| Maximum CNC travel positioning speed, X, Y and Z axes | 22 inches/min** |
*Overall dimensions include motor and speed control
**NOTE: To avoid missed steps, rapid travel speeds should be used for positioning only. Actual feed rates when cutting metal will usually be the range of 6 inches/min or slower.
Click on the link for the exploded view of the 8540/8541 CNC Deluxe Mill to help identify replacement parts.
If you are still uncertain please call our customer service representatives for help with this item.
We offer two types of 3D object files: .igs and .stp.
- To view .igs files you need an IGS viewer. CLICK HERE to download a FREE IGS viewer.
- To view .stp files you need an STP viewer. CLICK HERE to use Autodesk’s FREE A360* online file viewer. STP is a file extension for a 3-D graphic file used by CAD software. STP stands for STandard for the Exchange of Product model data. STP files are used to store 3D image data in an ASCII format, following the standards defined in ISO 10303-21: Clear Text Encoding of the Exchange Structure.
- Each 3D file format has been compressed into a single .rar file to save file space. Click on the .rar file link(s) below to download it to your computer.
- Extract the .rar file to the drive location of your choice.
- If your system cannot decompress RAR files, CLICK HERE to download WinRAR software.
- Open the .igs file using the IGS Viewer, or open the .stp file using the A360 Autodesk online viewer.
*NOTE: There are also other free STP viewers that can be downloaded directly to your computer.
8540 CNC 12″ Mill with Stepper Motors
CLICK HERE to download the 8540 CNC Mill 3D RAR file.
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| 5000 (5100) | 5400 (5410) | 2000 (2010) | 5800 (5810) | |
| Max. clearance (table to spindle) |
8.00″ (203 mm) | 8.00″ (203 mm) | 9.00″ (229 mm) | 14.00″ (356 mm) |
| Throat (no spacer) | 2.25″ (50 mm) | 2.25″ (50 mm) | Adjustable | Adjustable |
| Throat (w/ headstock spacer) | Optional | 3.50″ (90 mm) | Adjustable | Adjustable |
| Travel: X-axis (with stop) | 8.65″ (220 mm) | 8.65″ (220 mm) | 8.65″ (220 mm) | 13.65″ (347 mm) |
| Travel: Y-axis | 3.00″ (76 mm) | 5.00″ (127 mm) | 7.00″ (178 mm) | 11.00″ (279 mm) |
| Travel: Z-axis | 6.25″ (159 mm) | 6.25″ (159 mm) | 5.38″ (137 mm) | 9.38″ (238 mm) |
| Hole through spindle | .405″ (10 mm) | .405″ (10 mm) | .405″ (10 mm) | .405″ (10 mm) |
| Spindle nose thread | 3/4-16 T.P.I. | 3/4-16 T.P.I. | 3/4-16 T.P.I. | 3/4-16 T.P.I. |
| Spindle nose taper | #1 Morse | #1 Morse | #1 Morse | #1 Morse |
| Spindle runout of Morse taper | .0005″ or less | .0005″ or less | .0005″ or less | .0005″ or less |
| Handwheel graduations | .001″ (.01 mm) | .001″ (.01 mm) | .001″ (.01 mm) | .001″ (.01 mm) |
| Handwheel Type | Standard Handwheels | Zero Adjustable Handwheels (With the exception of DRO machines which come with DRO handwheels) | Zero Adjustable Handwheels (With the exception of DRO machines which come with DRO handwheels) | Zero Adjustable Handwheels (With the exception of DRO machines which come with DRO handwheels) |
| Electronically controlled spindle speed range |
70 to 2800 RPM | 70 to 2800 RPM | 70 to 2800 RPM | 70 to 2800 RPM |
| Width overall | 14.75″ (375 mm | 15.00″ (381 mm) | 15.00″ (381 mm) | 20.00 (508 mm) |
| Depth overall | 11.75″ (298 mm) | 14.00″ (356 mm) | 22.25″ (565 mm) | 23.13″ (588 mm) |
| Height overall (Max.) | 20.75″ (527 mm) | 20.75″ (527 mm) | 23.38″ (568 mm) | 24.50″ (622 mm) |
| Table size | 2.75″ x 13.00″ (70 mm x 330 mm) |
2.75″ x 13.00″ (70 mm x 330 mm) |
2.75″ x 13.00″ (70 mm x 330 mm) |
2.75″ x 18.00″ (70 x 457 mm) |
| Hold-down provision | 2 T-slots | 2 T-slots | 2 T-slots | 3 T-slots |
| Shipping weight | 33 lb (15.0 kg) | 36 lb (16.3 kg) | 38 lb (17.2 kg) | 50 lb. (22.7 kg) |
| Movements in addition to X-, Y- and Z-axes |
Headstock rotation (90° L/R) |
Headstock rotation (90° L/R) |
Headstock rotation (90° L/R) |
Headstock rotation (90° L/R) |
| Column rotation | N/A | N/A | (90° L/R) | N/A |
| Column pivot | N/A | N/A | (90° Fwd/Bk) | (90° Fwd/Bk) |
| Column swing | N/A | N/A | (90°L/R) | (90°L/R) |
| Column travel | N/A | N/A | (In/Out) 5.5″ (140 mm) | (In/Out) 5.5″ (140 mm) |
| Motor Specs | ||||
| Input voltage | 100 to 240 VAC, 50 or 60 Hz | |||
| Output to motor | 90 VDC | |||
| Current draw | .5 to 15 amps depending on load | |||
| No-load output shaft speed | 6000 RPM (no pulley) | |||
| Click here for more detailed specs | ||||
| Spindle Specs | ||||
| Spindle End play (factory adjustment of preload) |
.0002″ (.005 mm) or less, normal pulleys | |||
| Runout at nose | .0005″ (0.013 mm) or less | |||
| Bearings | Two 20 mm lifetime lubricated ball bearings with adjustable preload | |||
Shipping
We do not charge a flat rate for shipping because of the variations in weight for our products. Instead we charge you what the shipping company charges us. Our website uses a shipping calculator based on the daily rates for USPS and UPS based on the weight and destination of the shipment. You can also have us use your UPS/FedEx account number to charge your shipping to. Just enter it in the appropriate box on the checkout page.
Domestic orders are shipped Monday – Friday. Expedited orders must be placed by 9 am PST to ship the same day.
Orders shipping ground have a processing time of 7 working days for domestic orders and 14 working days for international orders. Click here for more information on our shipping and order policies.
Returns
Most merchandise can be returned within 30 day of the purchase date. A refund will be issued to the original form of payment at the original selling price. View our complete return policy and/or start your return online here.
If you are working with brass or wood, we suggest you use the toggle switch dust cover to protect the life of your motor & speed control.
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