Rotary axis attachment has a wrong cylindrical engraving/cutting size
Problem description:
The engraving/cutting size is incorrect when you using the rotary attachment.
Reasons:
1. Wrong circle pulse or diameter
(1) Circle pulse
Check the gear ratio on your rotary attachment.
- Gear ratio 4:1 structure, like below. The circle pulse or steps per rotation should be set as 16000.
- Gear ratio 3:1 structure, like below. The circle pulse or steps per rotation should be set as 12000.
(2) Diameter
The diameter you enter in the software must be the outer diameter of the object you want to engrave/cut.
Solution:
Enter the correct circle pulse and diameter.
2. Wrong operation method
Check the Rotary connector on your machine, the connector is located inside the right front of the machine.
- 7-pin connector on the machine, like below.
For this type connector, rotary axis is controlled by U axis.
In RDworks, the setting of "Enable rotate engrave" need read and write button that can save the setting into U axis, like below.
Read>>tick "Enable rotate engrave">>set "Circle pulse" and "Diameter">>Write
In Lightburn, Read settings(successfully)>>tick "Chunk","Enable Rotary">>set "steps per rotation" and "Object Diameter">>OK, like below.
PS: The setting need to be saved into controller, so please connect your PC and laser machine.
- 5-pin connector on the machine, like below.
For this type connector, rotary axis is controlled by Y axis after turn on the rotary switch.
In RDworks, there must be no read and write button on the setting of "Enable rotate engrave".
Tick "Enable rotate engrave">>set "Circle pulse" and "Diameter".
PS:The machine with 5 pin type rotary connector is not work with the software Lightburn.
Tip: how to enable and disable the Read and write button on “Enable rotate engrave” of RDworks?
Go into the RDworks’s root directory>>open the text file of “soft”>>change the setting of “ShowRWRotate” >> save the text file, like below.
Solution:
Please check what the type of your rotary connector is and run the rotary attachment with correct way.
3. Wrong setting on rotary attachment
Please check your rotary attachment
1. The setting for separated motor and driver, like below.
2. The setting for Integrated motor, like below.
Solution:
Change the dip switches according to pictures above.
End.
Related Articles
Laser cutter has a wrong cutting/engraving size
Reason: Wrong pulse setting of X/Y axis motors Solution: 1. Please draw a 100x100mm square using the cut mode and send to your laser cutter and cut the square. 2. Let’s say the actual size of the square measured is 98x95mm 3. In RDWorks, go File(F)>> ...Why does the cutting and engraving graphics reverse（mirror）
Reason: Improper setting of the software. Solution: In RDWorks: For old versions: Click “Config” – “system setting” on the menu bar. This dialog box will appears. Make sure “Axis X mirror” is unticked, and “Axis Y Mirror” is must ticked. For new ...Engraving problem—The engraving quality is very poor
Reasons: 1. The needed focus is lost Wrong focus length For standard laser head(2" lens), the focus length is 6mm, 4 inch laser head, the focus length is 10mm. TYPE DOT SIZE FOCAL DISTANCE FUNCTION STANDARD 2" 0.0039″(0.099mm) 4.5mm~6.5mm Cutting ...Cutting problem-- Some point of the same piece of materials cannot be cut through
Reasons: 1. The needed focus is lost Wrong focus length For standard laser head(2" lens), the focus length is 6mm, 4 inch laser head, the focus length is 10mm. TYPE DOT SIZE FOCAL DISTANCE FUNCTION STANDARD 2" 0.0039″(0.099mm) 4.5mm~6.5mm Cutting ...Distortion and Incorrect Size for AURORA
Preface: After importing the field lens correction file in the software, the contents of the machine's correct focal length engraving appear to be distorted or incorrect size. Problem Description 1. Distortion a. The line in the software is straight, ...