Welcome to our simple guide on the M151 CNC code. Whether you are new to CNC programming or an experienced machinist, understanding the M151 code is essential.
This guide will explain everything you need to know about this unit mode command—what it is, when to use it, and why it matters.
(Step-by-step.)
Key Takeaways
- M151 code controls guide bushing in Tsugami SS327-5AX machines and turns off timing mode when used with M150.
- Incorrect M151 usage can cause machine freezing or malfunction, so correct implementation is crucial.
- M151 ensures precise guide bushing control in CNC machines, especially in Tsugami SS327-5AX models with Fanuc 31i Model B5 control.
- The code is specific to Tsugami machines and should not be used on other machines with different codes (M50/M51).
- Failure to use M151 correctly can lead to machine freezing, emphasizing the need for careful code implementation and troubleshooting.
M151 Code Overview
When working with the Tsugami SS327-5AX machine, you’ll encounter the M151 code, which plays a crucial role in controlling the guide bushing.
This code is used in conjunction with M150 to turn off the timing mode, allowing the machine to continue with the program. The M151 code is specific to the Tsugami machine, which uses Fanuc 31i Model B5 control, and may not be used on other machines that might use different G-codes, such as M50/M51, for the same function.
As you use the M151 code, keep in mind that incorrect usage or other issues, such as C-axis on/off problems or guide bushing timing issues, can cause the machine to freeze.
Machine Control Functions
The Tsugami SS327-5AX machine’s control functions rely heavily on the M151 code to guarantee precise operation.
You must understand that the M151 code is vital for turning off timing mode, which is essential for controlling the guide bushing in CNC machines. When used in conjunction with the M150 code, which turns on timing mode, you can guarantee precise control over the guide bushing.
Failure to properly implement the M151 code can result in synchronization issues between the main and sub spindles, leading to machine malfunction or freeze.
Common Issues and Causes
You’ll likely encounter issues with the M151 code if you don’t use it correctly, which can lead to machine freezing or malfunction.
Incorrect usage of M150/M151 codes is a common freezing cause, affecting the guide bushing and requiring careful programming.
The spindle configuration is another vital aspect to ponder, as the C-axis on/off issue for the sub spindle can also contribute to freezing problems when using M151.
Additionally, main/sub sync issues can exacerbate the problem, making it imperative to verify proper synchronization between the main and sub spindles.
Even specific machines, like the Tsugami SS327-5AX, may have unique quirks that need to be pondered when troubleshooting M151-related issues.
Troubleshooting and Solutions
To resolve M151 code issues, identify the root cause by reviewing your programming and machine configuration.
Check for incorrect usage of M150/M151 codes, confirmation oversights, C-axis on/off issues, main/sub sync problems, or guide bushing timing errors. Machine freeze and error messages often indicate these common issues.
Optimize your code by ensuring proper M150/M151 usage, as incorrect implementation can cause the machine to freeze. Consult your Tsugami machine’s manual, as the solution might be specific to your model.
Alternative Code Options
During code optimization, consider exploring alternative code options to resolve guide bushing timing issues. If you’re experiencing problems with M151 codes on Tsugami SS327-5ax machines, try using M50/M51 codes instead. These codes are used for C-axis on/off control for the main spindle and might solve the timing issue. However, it’s vital to consult the machine-specific manual to verify accurate code usage.
| Code | Function | Machine Variation |
|---|---|---|
| M150/M151 | Guide Bushing Timing | Tsugami |
| M50/M51 | C-axis Control | Tsugami SS327-5ax |
| Alternative Code | Alternative Function | Consult Manual |
Remember that code compatibility and alternative functions vary across machine variations. Always check the manual and consult with experts to verify correct code usage. This attention to detail will help you optimize your code and resolve guide bushing timing issues efficiently.
CNC Codes Similar to M151
| Code | Mode |
|---|---|
| M152 | Milling spindle through air blow OFF (Only for turning tools) |
| M153 | Milling spindle through coolant ON |
| M154 | Milling spindle through coolant OFF |
| M157 | Spindle through coolant blow ON |
| M158 | Spindle through air blow ON |
| M159 | M157, M158 OFF |
| M169 | 35K, 70K high pressure coolant ON |
| M274 | Steady rest coolant ON |
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