machine wont zero machine coordinates

Question #: 14618

Question: machine wont zero machine coordinates

Current Solution

The machine coordinates depicts the actual machine location and not the logical location for one of the G55, 56, etc. work offsets. If you need to zero the actual machine's coordinates, then you need to select the settings tab, click on the "reset interp" button at the lower right of the screen and zero each axis of the "encoder position" section. To reflect this value to the main digital readout (DRO), click on the "to DRO" for each axis.

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Other Possible Solutions to this Question

PARTS LIST FOR THE BOOK MACHINE
The parts list is located on this page: http://buildyourcnc.com/cnckitintro.aspx at the bottom of the description.

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PARTS LIST FOR THE BOOK MACHINE
HOW DO I MAKE MY MACHINE SQUARE?
I use a standard large "L" square used in construction. I run gantry up and down with the bit along one side of the square to make the square aligned with the x-axis. I then run the bit along the other edge and if I see space from the edge of the bit to the square, I adjust the gantry square by loosening and tightening the eye bolts that hold the chain at the ends of the table. Repeat as necessary to get the desired square.

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HOW DO I MAKE MY MACHINE SQUARE?
WHAT NOT INCLUDED WITH THE MACHINE?
PC with parallel port and USB port
20awg stranded wires for the motors - http://www.buildyourcnc.com/electronicscombo.aspx
18awg stranded wires for power supply to drivers
24awg stranded wires for breakout board to drivers
(location and spacing of components varies from one person to another, so we do not provide cables/wires)
- General purpose extension cord (cut the female end off) to provide power to power supply
- USB cable to power breakout board
- Parallel cable to communicate to breakout board
- Router
- (optional - instead of router) Spindle with power inverter http://www.buildyourcnc.com/SpindlesAndAccessories.aspx
- (if purchasing spindle with inverter) General purpose extension cord (240v) (cut the female end off) to provide power to power inverter
- End Mill(s) http://www.buildyourcnc.com/ProductsEndMills.aspx
- CAD, and/or CAD-CAM software (to produce geometry, machine operations, and g-code) http://www.buildyourcnc.com/CNCsoftware.aspx
- CNC control software (to read g-code and control machine) http://www.buildyourcnc.com/CNCsoftware.aspx
- If the machine does not have the table included, then a table will need to be built. The rails, chain and chain mounts are included that are used on this table.

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WHAT NOT INCLUDED WITH THE MACHINE?
WHAT KIND OF MATERIALS CAN MACHINE?
There are almost no limits to the kind of materials you can machine. Anything from wood or plastic to exotic materials like stainless steel can be cut as long as the part can be safely and firmly held and the proper cutting tool and cutting speed are used
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WHAT KIND OF MATERIALS CAN MACHINE?
WHAT ELSE DO I NEED WITH THE MACHINE?
PC with parallel port and USB port
20awg stranded wires for the motors - http://www.buildyourcnc.com/electronicscombo.aspx
18awg stranded wires for power supply to drivers
24awg stranded wires for breakout board to drivers
(location and spacing of components varies from one person to another, so we do not provide cables/wires)
- General purpose extension cord (cut the female end off) to provide power to power supply
- USB cable to power breakout board
- Parallel cable to communicate to breakout board
- Router
- (optional - instead of router) Spindle with power inverter http://www.buildyourcnc.com/SpindlesAndAccessories.aspx
- (if purchasing spindle with inverter) General purpose extension cord (240v) (cut the female end off) to provide power to power inverter
- End Mill(s) http://www.buildyourcnc.com/ProductsEndMills.aspx
- CAD, and/or CAD-CAM software (to produce geometry, machine operations, and g-code) http://www.buildyourcnc.com/CNCsoftware.aspx
- CNC control software (to read g-code and control machine) http://www.buildyourcnc.com/CNCsoftware.aspx
- If the machine does not have the table included, then a table will need to be built. The rails, chain and chain mounts are included that are used on this table.

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WHAT ELSE DO I NEED WITH THE MACHINE?
IS DRILL BIT USED IN THE CNC MACHINE?
The cutting tool is an end mill (it looks like a drill bit). It is a cutting tool that can plunge and cut sideways. That item is not included and is a consumable. You will purchase these very frequently and will have geometry that is very specific to how you apply the cnc machine.

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IS DRILL BIT USED IN THE CNC MACHINE?
MY MACHINE NOT ACCURATE
In Mach3, go to the Settings Tab, and select "Set Steps Per Unit". It will ask you how far to move the machine. Before you do this, make a mark on the table exactly where the end mill is resting. You can do this by lowering the end mill until it touches the material, then spinning it by hand to cut a small dimple in the material. Then, raise the end mill to clear the material, and assign a distance to move the machine. Once the machine moves and stops, measure the exact distance that it actually traveled with a tape measure, and enter this value into the dialog box that asks how far it moved. Mach3 will automatically adjust your steps per unit for that axis to be more accurate. Do this for all axes often to ensure you are cutting accurately. The longer distances you use calibrate, and the more precise you are with your measurements, the better.
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MY MACHINE NOT ACCURATE
MY MACHINE CUTTING THE WRONG SIZE PART
In Mach3, go to the Settings Tab, and select "Set Steps Per Unit". It will ask you how far to move the machine. Before you do this, make a mark on the table exactly where the end mill is resting. You can do this by lowering the end mill until it touches the material, then spinning it by hand to cut a small dimple in the material. Then, raise the end mill to clear the material, and assign a distance to move the machine. Once the machine moves and stops, measure the exact distance that it actually traveled with a tape measure, and enter this value into the dialog box that asks how far it moved. Mach3 will automatically adjust your steps per unit for that axis to be more accurate. Do this for all axes often to ensure you are cutting accurately. The longer distances you use calibrate, and the more precise you are with your measurements, the better.

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MY MACHINE CUTTING THE WRONG SIZE PART
WHAT IS CNC MACHINE?
A CNC machine is basically a computer controlled high precision tool that is able to make intricate movements accurately and repeatedly. Our machines use common routers and spindles to mill, cut, engrave and shape materials in automated machining operations.
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WHAT IS CNC MACHINE?
THICKER MATERIAL OK TO BUILD THE MACHINE?
Yes, it is ok if the thickness is plus or minus +/- about 2mm.

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THICKER MATERIAL OK TO BUILD THE MACHINE?
HOW DO I SQUARE MY CNC MACHINE OR GANTRY?
I use a standard large "L" square used in construction. I run gantry up and down with the bit along one side of the square to make the square aligned with the x-axis. I then run the bit along the other edge and if I see space from the edge of the bit to the square, I adjust the gantry square by loosening and tightening the eye bolts that hold the chain at the ends of the table. Repeat as necessary to get the desired square.

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HOW DO I SQUARE MY CNC MACHINE OR GANTRY?
AND WHAT SIZES ARE THE PACKAGES OF MACHINE.
the package sizes will be listed in your shopping cart, in the item detail. The site will also fully calculate shipping charges directly from the carrier, for each package you purchase.

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AND WHAT SIZES ARE THE PACKAGES OF MACHINE.
WHAT IS THE DIFFERENCE IN A 2.5 AXIS MACHINE?
An axis is a direction of motion controlled by the CNC machine control. It can be linear (motion along a straight line) or circular (a rotary motion). The number of axes a machine has determines it's machining capabilities. A 2.5 axis machine really has three moving axes, but only two axes can move together (most machines sold today are full three axis machines). For machining centers, a three axis machine will have three linear axes. A four or five axis machine will have three linear axes as well as one or two rotary axes.

Note that 2.5 versus 3 axis has yet another context. 2.5 axis machining requires that the machine have three axes, but only two axes must be moving simultaneously at any one time. (Simple operations, like drilling and most milling, fall into this category). On the other hand 3-axis machining requires that all three axes be moving at the same time (More complex operations, like the machining of sculptured surfaces required in molds and airfoils, fall into this category.)

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WHAT IS THE DIFFERENCE IN A 2.5 AXIS MACHINE?
HOW LONG WOULD IT TAKE FOR MY TO BUILD A MACHINE?
The length of time it will take to build a CNC machine kit is not an easy answer. There may be a wide array of circumstances that limit a persons abilities to build the cnc machine kit in an efficient timeframe; however, if you have moderate dexterity and moderately mechanically inclined, you should have no problem building one of our machines within one weekend if the project has very little downtime.

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HOW LONG WOULD IT TAKE FOR MY TO BUILD A MACHINE?
WHAT IS THE SHIPPING COST OF MACHINE TO AUSTRALIA?
You can determine if the country is serviceable by:
- selecting the items you want to purchase on the website
- go to the cart (shopping cart top left of any webpage)
- log in, or register
- Enter the address and click on calculate shipping.

The webpage will return the direct rates and whether your area is serviced or not. Feel free to enter any address as long as you are able to receive the package from that address.

The shipping times are determined by the service you select in the shopping cart. If a machine is purchased, we generally have a one week lead time unless otherwise stated in the description of the machine's product page.

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WHAT IS THE SHIPPING COST OF MACHINE TO AUSTRALIA?
HOW MUCH MDF IS USED FOR THE BOOK MACHINE COMBO #1
Three 24" x 48" sheets of mdf is used for the book build or the combo #1 plans and kit.

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HOW MUCH MDF IS USED FOR THE BOOK MACHINE COMBO #1
WHICH MACHINE SHOULD I BUY, GREENBULL OR BLACKFOOT?
The greenBull can range is routing width sizes of 5 feet and 6 feet. The blackFoot has a 4 foot routing width.

Previous Solution:
The greenBull machine has a sturdier gantry than the blackFoot, so you can be more agressive with the cutting feedrate (cutting speed). The blackFoot is also a good machine, but it all comes down to the speed at which you want to produce the fabrication

The spindle is also highly recommended for it's quietness and easier cleanup (no fan blowing the dust in the air)

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WHICH MACHINE SHOULD I BUY, GREENBULL OR BLACKFOOT?
WHAT LEAD TIME CAN EXPECT FOR THE BLACKTOE MACHINE?
You can expect a one week lead time for our machines.

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WHAT LEAD TIME CAN EXPECT FOR THE BLACKTOE MACHINE?
WHAT WOULD NEED TO HAVE A FULLY OPERATIONAL MACHINE?
PC with parallel port and USB port
20awg stranded wires for the motors - http://www.buildyourcnc.com/electronicscombo.aspx
18awg stranded wires for power supply to drivers
24awg stranded wires for breakout board to drivers
(location and spacing of components varies from one person to another, so we do not provide cables/wires)
- General purpose extension cord (cut the female end off) to provide power to power supply
- USB cable to power breakout board
- Parallel cable to communicate to breakout board
- Router
- (optional - instead of router) Spindle with power inverter http://www.buildyourcnc.com/SpindlesAndAccessories.aspx
- (if purchasing spindle with inverter) General purpose extension cord (240v) (cut the female end off) to provide power to power inverter
- End Mill(s) http://www.buildyourcnc.com/ProductsEndMills.aspx
- CAD, and/or CAD-CAM software (to produce geometry, machine operations, and g-code) http://www.buildyourcnc.com/CNCsoftware.aspx
- CNC control software (to read g-code and control machine) http://www.buildyourcnc.com/CNCsoftware.aspx
- If the machine does not have the table included, then a table will need to be built. The rails, chain and chain mounts are included that are used on this table.

Additional Information:
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WHAT WOULD NEED TO HAVE A FULLY OPERATIONAL MACHINE?