P/N 8540 includes a 5400-CNC mill, stepper motors, computer and software. (Click on photo for larger image.)
Included with the Sherline system are the following components:
∙ Your choice of model 5400 or model 2000 mill fitted with stepper motor mounts on X, Y and Z axes
∙ 3 Stepper motors prewired with plugs (no soldering or wiring required on your part...just plug and play)
∙ Drivers, power supply and cables installed inside computer box for 4 axes: X, Y, Z and A (See below for optional 4th axis rotary table)
∙ New computer with Linux OS and EMC 4-axis CNC software preinstalled on hard drive (no installation headaches or compatibility problems)
∙ Backup CD's with Linux, EMC and complete instructions by Joe Martin in MS Word.doc, .html, and .pdf formats
∙ 1 year warranty on all components for non-production use
Part numbers/Prices—CNC Mill Systems:
(Factory direct orders only*.)
P/N 8540 (8541 metric**)—Model 5400 mill, computer, drivers, stepper motors and software: $2450.00
P/N 8020 (8021 metric)—Model 2000 8-direction mill, computer, drivers, stepper motors and software: $2670.00
CNC Mill Systems with Accessory Package:
(Factory direct orders only*.)
P/N 8540A (8541A metric**)—Model 5400 mill CNC system plus Mill A package accessories (see PACKAGES page for list): $2695.00
P/N 8020A (8021A metric)—Model 2000 mill CNC system plus mill A package accessories: $2915.00
*Because of software support considerations, the complete CNC systems with computer are available only by direct order from Sherline. Please call (800) 541-0735 during business hours, fax your order to (760) 727-7857 or contact us by e-mail at sherline@sherline.com.
**The EMC program allows g-code to be used to accommodate either inch or metric dimensions regardless of the leadscrew pitch. We offer a metric version for those who prefer to have metric leadscrews and metric increments on the handwheels when operating the machine manually.
What is CNC?
CNC is short for “Computer Numeric Control” which is how a computer talks to a milling machine to control its movements to cut the part you design. The language it uses is called “g-code”, which is a series of instructions that, combined with X, Y and Z coordinates denotes direction, speeds and key points of the shape to be cut. In the past, for example, even the most skilled machinist would have a problem cutting a circle because both the X and Y handwheels would have to be cranked at the same time at constantly varying rates at the same time. The computer, however, has no trouble doing this, and a complicated shape can be cut just as easily as a straight line. The advantage of CNC beyond cutting difficult 3D shapes is that once the program is written and the holding fixtures made, multiple identical parts can be made rapidly.
Sherline puts it all together in one package for under $2500!
The new Sherline CNC mill system is now ready for shipment. Below are specifications on the machine and computer portions of the system. In order to control software installation ourselves and offer the customer the quickest way to plug in and get right to working with CNC without any computer hassles, we have included a new computer as part of the system. The driver board is installed right inside the computer box and the Linux OS and EMC 4-axis CNC program are preinstalled on the hard drive. The four drivers are pre-wired and the three stepper motors have matching plugs for X, Y and Z axes. A 4th "A" axis can be added by purchasing a CNC rotary table with 4th stepper motor (P/N 8730) and plugging it in. Limit switches were considered but eliminated in the end because it was felt that they simply weren't necessary on a machine with stepper motors of limited power; particularly since we have provided "hard stops" on the X and Y axes to prevent accidental damage due to accidentally entering an instruction that would run a slide past the end of its travel. You get all of this for just $2450.00. The optional rotary table and stepper motor is available for an additional $370.00. In order to keep your cost as low as possible and to provide the best possible technical support, this system is only available through direct purchase from the Sherline factory at this time.
Optional 4th axis rotary table
The P/N 8730 rotary table with stepper motor installed and ready to plug in as the 4th or "A" axis. (Click on photo for larger image.)
The Sherline P/N 3700-CNC combined with a P/N 67127 stepper motor now has a combined part number of 8730 so you can easily order a 4th axis for your CNC mill. The pre-wired plug on the stepper motor plugs right in to the "A" axis cord coming from the computer, and the EMC software has 4-axis capability as well. Should you need rotate a part to cut gear teeth, splines, radial hole patterns, etc., the rotary table will make such jobs possible. Also available among are accessories are a fixture to hold the rotary table in a vertical position (P/N 3701), a more advanced fixture that can hold the table at any angle from 0° to 90° (P/N 3750) and an adjustable tailstock that allows parts held vertically in either fixture to be held between centers (P/N 3702).
(Left above) A batch of computers is seen opened up on the
production line ready for the installation of the power supply/driver board
unit. (Middle) Luis wires the power supply/driver board unit to the computer and
installs the cables. (Right) Mike Joyce runs a test program on the evaluation system in our
showroom. (Click on a photo to see a larger version of the image.)
(Above) Each system is tested before shipping . Computers and machines are
hooked up on this test bench and run using a 3D test program. They are checked
several times at various points during the program to make sure they are running
properly and maintaining accuracy. (Click on photo to see a
larger version of the image.)
Mill: Sherline deluxe CNC mill with 12" base, three stepper motor mounts and stepper motors (X, Y and Z axes), standard 1-5/8" aluminum handwheels included for use on rear shaft of stepper motors for manual control. (Note: the manual 5400 mill normally adjustable zero handwheels, but it has been found that because the standard one-piece handwheels weigh half as much, the stepper motors provide better performance not having to accelerate as much mass.) For a more complete description and specifications on the mill itself CLICK HERE.
Mill Axis Travels: X=8.65" (220 mm)*, Y=5" (127 mm), Z=6.25" (159 mm)
*Travel with X-axis safety stop screw removed: 9" (229 mm)
Mill includes headstock spacer block (P/N 1291) and 1/4" drill chuck (P/N 3072). An optional "A" package with mill vise, step block hold-down set, center drill set, 3/8" end mill set, 3/8" end mill holder, mill collet set, flycutter, 5/32" T-driver and Sherline Shop and Accessories Guide Book can be added for an additional $225.00...a savings of $46 compared to buying these items separately.
Mills provided with 20 TPI pitch leadscrews but can be operated using metric dimensions by simply entering a g21 command instead of g20 when writing your code
(Click on photo for larger image.)
Stepper motors: (3 included for X, Y and Z axes)
Manufacturer/Model: Shinano Kenshi SST57D3201 (dual shaft)
Step angle: 1.8 degrees (200 steps/rev)
Voltage: 3.2 volt
Current: 2 amp
Holding torque: 9.7 kg-cm (135 oz-in)
Number of leads: 6 (plug wired for uni-polar operation)
Frame size: NEMA 23
Computer:
Processor: AMD Athlon XP 1900+
Motherboard: Via KT133 OEM reference board, Ethernet and sound in northbridge
RAM: 128 mb pc133
Hard Drive: Samsung 40 GB
Video Card: NVIDIA Riva TNT 2
Internal drives: CD-ROM and 3.5” Floppy
Current: Internal switches are set to 110VAC but can be reset for operation with 230 VAC
Installed software: Redhat Linux based, with real time extensions, EMC 4-axis CNC software.
Included peripherals: Keyboard, mouse and connection cables for stepper motors (Monitor to be supplied by customer)
Stepper motor drivers/Power supply: 4 drivers installed inside computer box run off separate power supply also installed inside computer box. Power supply output: 24 VDC
Other features: Separate on/off switch for drivers so computer can remain powered up without power to stepper motors
Also included: backup CD-ROM with Linux and EMC, plus a second CD with the instruction manual as a PDF and/or HTML document. Also included with all Sherline machines is a CD with a free copy of the Vector32 CAD program. Sherline owners are entitled to a special discount from the manufacturer if you purchase the full CAD/CAM version from them.
Support: 1 hour free phone or e-mail technical support with complete mill system. (Software support not included with driver box or CD set purchase only.)
Warranty: Standard Sherline 1-year warranty on all mechanical and electrical components
Options:
4th axis rotary table with stepper motor, P/N 8730: $370.00.
CNC Control Box Only, P/N 8760: $600.00. Factory direct or by dealer order. Includes 4 stepper motor connection cables, parallel cable, power supply, drivers for 4 axes, 2 CD set including Linux OS and EMC controller software. See P/N 8760 for details.
Stepper motors: Dual shaft motors include flats ground to on front and rear shafts to keep handwheel and coupling set screws from causing galling, six wire leads prewired to Sherline plug for direct connection to CNC driver cables. Motors are high quality name brand NEMA 23 frame size, 2 amp, 135 oz-in (8.7 kg-cm) units. P/N 67130—$53.00 (flats on shafts, 6 raw wire leads), P/N 67127—$70.00 (flats on shafts, leads soldered to Sherline connector plug and wrapped.
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Coordinate systems offset screen. As you can see, the visual interface looks like the windows you are used to using. Both Linux and EMC are logically designed and very easy to use. (Click on photo to see larger image.) |
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Back plotter and auto mode screen. Here the cutter path for the little EMC penguin mascot is plotted in 3D. (Click on photo to see larger image.) |
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Tool offsets allow the program to recalculate tool path depending on the diameter of the cutter used. Changing tools does not require you to rewrite the program. This page is where size and length of the tools you will be using for your job are entered. (Click on photo to see larger image.) |
To read instructions for the use of the Sherline CNC system click on one of the links below:
Instructions in PDF format (Requires Adobe Acrobat Reader)
(The instructions files are about 67 pages long and just under 1 Mb is file size.)
The P/N 8760 driver box includes cables for X, Y, Z and A axis stepper motors, a parallel cable for connection to your computer, a power supply plus the Linux and Sherline EMC CD's. The photo on the right shows the components inside the box. (Click on photos for a larger images.)
Sherline machines have been available in "CNC-ready" configuration for several years for those wishing to add CNC control to their machines. See the CNC-READY page for details on the machines themselves. In addition to our complete mill systems, Sherline now offers a stand-alone driver box with its own power supply that will allow the Sherline mill stepper motors to be driven by a computer and software of your choice. The anodized andlaser engraved box cover conceals the same driver board as we use in the computer to drive our CNC mill system. A 4 amp power supply is also included. The driver box comes pre-wired with four cables exiting the rear of the case ready to be plugged into stepper motors on the X, Y, Z and A axes of your mill. A parallel cable connects the box to your computer. Power to the stepper motors can be turned off from a switch on the control box separately from the computer. Also included is a two CD set that contain Linux and the EMC controller program should you choose to go with Sherline's system. CNC use and programming instructions are included on disk #2.
Pre-wired, labeled 5-pin plugs on each axis make it easy to attach stepper motors to the drivers. (Click on photos for larger images.)
Pre-wired plugs for quick installation...
Both the complete CNC system and the P/N 8760 driver box come with 4 cables pre-wired with a 5-pin plug. These match the plugs on the P/N 67127 stepper motors sold by Sherline. To hook up the system all you do is plug each stepper motor into the cable for the proper axis. It couldn't get much easier than that.
Driver box available for OEM...
The Sherline P/N 8760 driver box is available for manufacturers wishing to put together a CNC system of their own. Why reinvent the wheel? This box along with Sherline's pre-wired stepper motors makes it easy to put together a custom CNC package. Contact Sherline for details on our OEM quantity pricing. We have also left plenty of space on the top of the unit to laser engrave your logo and company information and can handle that for you in-house. In addition, OEM suppliers using our driver box will be provided a link and a 300 word description at no charge on a special page on our web site to describe your product.
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