MechMate CNC Router Forum
>
Search Forums
Search Results
User Name
Remember Me?
Password
Register
Options
Profile
Last
1
|
3
|
7
Days
Search
Today's Posts
Mark Forums Read
Showing results 1 to 9 of 9
Search took
0.00
seconds.
Search:
Posts Made By:
Gerald D
Forum:
Driving Mechanisms: Rack/pinion, gears, screws, belts & chains
Mon 08 March 2010, 10:38
Replies:
36
The overall concept of the MM's Rack and Pinion design - springloading & antibacklash
Views:
51,883
Posted By
Gerald D
The 12kg spring load gives about 20kg load at the...
The 12kg spring load gives about 20kg load at the pinion due to the leverage effect. This has been found to be enough force to prevent the pinion gear from climbing out of the rack - the motor will...
Forum:
Driving Mechanisms: Rack/pinion, gears, screws, belts & chains
Mon 22 February 2010, 07:58
Replies:
36
The overall concept of the MM's Rack and Pinion design - springloading & antibacklash
Views:
51,883
Posted By
Gerald D
See drawing M2 10 110 W
See drawing M2 10 110 W
Forum:
Driving Mechanisms: Rack/pinion, gears, screws, belts & chains
Mon 29 December 2008, 06:12
Replies:
36
The overall concept of the MM's Rack and Pinion design - springloading & antibacklash
Views:
51,883
Posted By
Gerald D
1) It is steel. You can put plastic under it if...
1) It is steel. You can put plastic under it if you want.
2.1) y' axis has no meaning.
2.2) & 2.3) Use your CAD program to open the .dxf files - there you can measure all exactly.
Enough of...
Forum:
Driving Mechanisms: Rack/pinion, gears, screws, belts & chains
Sun 28 December 2008, 09:48
Replies:
36
The overall concept of the MM's Rack and Pinion design - springloading & antibacklash
Views:
51,883
Posted By
Gerald D
1.) The rack is not perfectly parallel to the...
1.) The rack is not perfectly parallel to the rail. As the car moves along the rail & rack the pinion must move up and down a little bit. The motor slides inside the plastic for this small movement....
Forum:
Driving Mechanisms: Rack/pinion, gears, screws, belts & chains
Sun 28 December 2008, 09:05
Replies:
36
The overall concept of the MM's Rack and Pinion design - springloading & antibacklash
Views:
51,883
Posted By
Gerald D
Point A is the rotation center. The slot at...
Point A is the rotation center.
The slot at B is an arc with the center at A
At A and B, the screws are tightened against plastic washers - the motor plate is inside the sandwich of plastic...
Forum:
Driving Mechanisms: Rack/pinion, gears, screws, belts & chains
Mon 22 December 2008, 08:30
Replies:
36
The overall concept of the MM's Rack and Pinion design - springloading & antibacklash
Views:
51,883
Posted By
Gerald D
Selecting motors for the MechMate ...
Selecting motors for the MechMate (http://www.mechmate.com/forums/showthread.php?t=1114)
Forum:
Driving Mechanisms: Rack/pinion, gears, screws, belts & chains
Mon 22 December 2008, 06:20
Replies:
36
The overall concept of the MM's Rack and Pinion design - springloading & antibacklash
Views:
51,883
Posted By
Gerald D
The motors' detent torque keeps them in sync...
The motors' detent torque keeps them in sync while the motors are shut down. We don't normally zero the machine at startup, unless we suspect that someone has bumped it out of square.
Forum:
Driving Mechanisms: Rack/pinion, gears, screws, belts & chains
Sun 21 December 2008, 23:07
Replies:
36
The overall concept of the MM's Rack and Pinion design - springloading & antibacklash
Views:
51,883
Posted By
Gerald D
Ton, the samson machine has a very light gantry...
Ton, the samson machine has a very light gantry and is only use for plasma where there is zero cutting force. On the MechMate we have very high sideways cutting forces and therefore also a much...
Forum:
Driving Mechanisms: Rack/pinion, gears, screws, belts & chains
Mon 03 November 2008, 10:49
Replies:
36
The overall concept of the MM's Rack and Pinion design - springloading & antibacklash
Views:
51,883
Posted By
Gerald D
All 4 axes use a similar method. The motor swings...
All 4 axes use a similar method. The motor swings against the rack and is held by spring force to eliminate backlash. See some build pictures:
...
Showing results 1 to 9 of 9
Forum Jump
User Control Panel
Private Messages
Subscriptions
Who's Online
Search Forums
Forums Home
General - MM Build
About this Forum
The Market Place
Personal Build Histories
Introduce yourself and start planning
Construction started, but not cutting yet
MechMates already cutting
Structure & Mechanics
10. Base Table
20. Gantry
30. Y-Car
40. Z-Slide
50. Toolheads
55. Dust Management
Common Assemblies & Parts
Profiled (laser cut) & bent steel plate
Motors & their mountings
Rails & Rollers
Driving Mechanisms: Rack/pinion, gears, screws, belts & chains
Electrical & Electronic
60. Wiring & Cable Management
70. Control Systems
701. Motor Drives
702. Power Supplies
Computing, Software & Programming
80. Computer Hardware & Software
Graphics & CAD
CAM
CNC motion control software
Utility software
After Building the Beast - Operating , Troubleshooting and Maintenance
General - MM Operating
Cutting various materials - bit selection, feeds, speeds
Troubleshooting
Maintenance
The Show Room
Miscellaneous hardware and software
Human Interface Devices (HID's)
Miscellaneous / General / Whatever / Catchall
Golden Resources
Test Area for this forum
Downloads
Dxf Library
Archives
All times are GMT -6. The time now is
20:55
.
Contact Us
-
www.mechmate.com
-
Archive
-
Top
Powered by vBulletin® Version 3.8.3
Copyright ©2000 - 2024, Jelsoft Enterprises Ltd.