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Problem in Auto bed leveling
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I have enabled auto bed leveling on my 3D printer. I have used a 6-36 V inductive sensor with a 7805 voltage regulator running the sensor at 10.78 V.
I am using Marlin 1.1.9. This is my configuration file for Marlin firmware. I used this video for marlin setup.
I have done a voltage regulator setup by using this video.
I have place an Aluminium plate with insulated copper wire. (I also tried an Iron plate). After Setting this I use Pronterface to control the printer. While homing command is given the XY axis gets home and Z axis moves downwards and doesn't stops even the Light in the sensor gets ON.
And also once the Zmin gets TRIGGERED, it is always TRIGGERED.
After I enabled SAFE_HOMING, the XY axis comes to the centre of the printer. And Z axis goes down again without stopping.
Please help me in this.
marlin bed-leveling inductive-sensor
edited 32 mins ago
0scar
5,6501935
asked 4 hours ago
Baalaji V
213
add a comment |Â
up vote
1
down vote
favorite
I have enabled auto bed leveling on my 3D printer. I have used a 6-36 V inductive sensor with a 7805 voltage regulator running the sensor at 10.78 V.
I am using Marlin 1.1.9. This is my configuration file for Marlin firmware. I used this video for marlin setup.
I have done a voltage regulator setup by using this video.
I have place an Aluminium plate with insulated copper wire. (I also tried an Iron plate). After Setting this I use Pronterface to control the printer. While homing command is given the XY axis gets home and Z axis moves downwards and doesn't stops even the Light in the sensor gets ON.
And also once the Zmin gets TRIGGERED, it is always TRIGGERED.
After I enabled SAFE_HOMING, the XY axis comes to the centre of the printer. And Z axis goes down again without stopping.
Please help me in this.
marlin bed-leveling inductive-sensor
edited 32 mins ago
0scar
5,6501935
asked 4 hours ago
Baalaji V
213
As your question is now it is difficult to answer it with a definitive answer, it lacks some information. Optimally you nee to add a link to your configuration file (e.g. posted on PasteBin), the sensor type and location and the printer type. On homing the sensor should trigger and stop the Z movement, but when printing the head keeps lowering until the print height is reached, during that time the sensor is always triggered, that is perfectly normal.
– 0scar
3 hours ago
When you add information in the comments, you should update your question with this information. A question must be comprehensive, it should not be necessary for people to read the comments for extra information. SE sites work a little different than regular forums, please take the tour and read How to Ask. I have updated the question for you :)
– 0scar
2 hours ago
add a comment |Â
up vote
1
down vote
favorite
up vote
1
down vote
favorite
I have enabled auto bed leveling on my 3D printer. I have used a 6-36 V inductive sensor with a 7805 voltage regulator running the sensor at 10.78 V.
I am using Marlin 1.1.9. This is my configuration file for Marlin firmware. I used this video for marlin setup.
I have done a voltage regulator setup by using this video.
I have place an Aluminium plate with insulated copper wire. (I also tried an Iron plate). After Setting this I use Pronterface to control the printer. While homing command is given the XY axis gets home and Z axis moves downwards and doesn't stops even the Light in the sensor gets ON.
And also once the Zmin gets TRIGGERED, it is always TRIGGERED.
After I enabled SAFE_HOMING, the XY axis comes to the centre of the printer. And Z axis goes down again without stopping.
Please help me in this.
marlin bed-leveling inductive-sensor
edited 32 mins ago
0scar
5,6501935
asked 4 hours ago
Baalaji V
213
I have enabled auto bed leveling on my 3D printer. I have used a 6-36 V inductive sensor with a 7805 voltage regulator running the sensor at 10.78 V.
I am using Marlin 1.1.9. This is my configuration file for Marlin firmware. I used this video for marlin setup.
I have done a voltage regulator setup by using this video.
I have place an Aluminium plate with insulated copper wire. (I also tried an Iron plate). After Setting this I use Pronterface to control the printer. While homing command is given the XY axis gets home and Z axis moves downwards and doesn't stops even the Light in the sensor gets ON.
And also once the Zmin gets TRIGGERED, it is always TRIGGERED.
After I enabled SAFE_HOMING, the XY axis comes to the centre of the printer. And Z axis goes down again without stopping.
Please help me in this.
marlin bed-leveling inductive-sensor
marlin bed-leveling inductive-sensor
edited 32 mins ago
0scar
5,6501935
asked 4 hours ago
Baalaji V
213
edited 32 mins ago
0scar
5,6501935
asked 4 hours ago
Baalaji V
213
edited 32 mins ago
0scar
5,6501935
edited 32 mins ago
0scar
5,6501935
edited 32 mins ago
0scar
5,6501935
5,6501935
asked 4 hours ago
Baalaji V
213
asked 4 hours ago
Baalaji V
213
asked 4 hours ago
Baalaji V
213
213
As your question is now it is difficult to answer it with a definitive answer, it lacks some information. Optimally you nee to add a link to your configuration file (e.g. posted on PasteBin), the sensor type and location and the printer type. On homing the sensor should trigger and stop the Z movement, but when printing the head keeps lowering until the print height is reached, during that time the sensor is always triggered, that is perfectly normal.
– 0scar
3 hours ago
When you add information in the comments, you should update your question with this information. A question must be comprehensive, it should not be necessary for people to read the comments for extra information. SE sites work a little different than regular forums, please take the tour and read How to Ask. I have updated the question for you :)
– 0scar
2 hours ago
add a comment |Â
As your question is now it is difficult to answer it with a definitive answer, it lacks some information. Optimally you nee to add a link to your configuration file (e.g. posted on PasteBin), the sensor type and location and the printer type. On homing the sensor should trigger and stop the Z movement, but when printing the head keeps lowering until the print height is reached, during that time the sensor is always triggered, that is perfectly normal.
– 0scar
3 hours ago
When you add information in the comments, you should update your question with this information. A question must be comprehensive, it should not be necessary for people to read the comments for extra information. SE sites work a little different than regular forums, please take the tour and read How to Ask. I have updated the question for you :)
– 0scar
2 hours ago
As your question is now it is difficult to answer it with a definitive answer, it lacks some information. Optimally you nee to add a link to your configuration file (e.g. posted on PasteBin), the sensor type and location and the printer type. On homing the sensor should trigger and stop the Z movement, but when printing the head keeps lowering until the print height is reached, during that time the sensor is always triggered, that is perfectly normal.
– 0scar
3 hours ago
As your question is now it is difficult to answer it with a definitive answer, it lacks some information. Optimally you nee to add a link to your configuration file (e.g. posted on PasteBin), the sensor type and location and the printer type. On homing the sensor should trigger and stop the Z movement, but when printing the head keeps lowering until the print height is reached, during that time the sensor is always triggered, that is perfectly normal.
– 0scar
3 hours ago
When you add information in the comments, you should update your question with this information. A question must be comprehensive, it should not be necessary for people to read the comments for extra information. SE sites work a little different than regular forums, please take the tour and read How to Ask. I have updated the question for you :)
– 0scar
2 hours ago
When you add information in the comments, you should update your question with this information. A question must be comprehensive, it should not be necessary for people to read the comments for extra information. SE sites work a little different than regular forums, please take the tour and read How to Ask. I have updated the question for you :)
– 0scar
2 hours ago
add a comment |Â
1 Answer
1
active
oldest
votes
up vote
2
down vote
An auto level sensor does not trigger exactly when the nozzle hits the bed like in normal leveling using switches. The sensor is meant to detect the bed before the nozzle touches the bed. It is the offset that you define with command M851 e.g. M851 Z-1.85 that determines the correct offset between sensor trigger point and the nozzle. After homing G28 and auto bed leveling G29, the nozzle needs to get under the sensor trigger point (e.g. in the example above it is then still 1.85 mm away from the platform) so while printing it is perfectly fine that the sensor stays triggered until printing height gets above 1.85 mm. This gives an answer why you see the head go past the trigger point when printing, when homing or leveling that should not happen.
From your configuration can be seen that
//#define Z_SAFE_HOMING
is not enabled, this is advised to enable. This is important, but not the complete solution.
Also, you have not defined the auto leveling area by setting the boundaries for probing (where the probe can reach). In your config you will find disabled constants for (see also this answer):
//#define LEFT_PROBE_BED_POSITION MIN_PROBE_EDGE
//#define RIGHT_PROBE_BED_POSITION (X_BED_SIZE - MIN_PROBE_EDGE)
//#define FRONT_PROBE_BED_POSITION MIN_PROBE_EDGE
//#define BACK_PROBE_BED_POSITION (Y_BED_SIZE - MIN_PROBE_EDGE)
You only have defined a Y sensor offset:
#define Y_PROBE_OFFSET_FROM_EXTRUDER 43
so e.g. the following could work (depending on the offset from limit switch position to printer origin):
#define LEFT_PROBE_BED_POSITION MIN_PROBE_EDGE
#define RIGHT_PROBE_BED_POSITION (X_BED_SIZE - MIN_PROBE_EDGE)
#define FRONT_PROBE_BED_POSITION MIN_PROBE_EDGE + Y_PROBE_OFFSET_FROM_EXTRUDER
#define BACK_PROBE_BED_POSITION (Y_BED_SIZE - MIN_PROBE_EDGE)
Another part in your configuration that need further inspection is your offset from limit switch position (when homing) to printer origin; you have:
#define X_MIN_POS 0
#define Y_MIN_POS 0
This is very unlikely, but possible, it means as is that the X=0 and Y=0 is exactly on the limit switches for X and Y. Usually this is not the case and you see negative values for these constants.
All-in-all, your configuration file has a lot of problems which need to be fixed.
answered 3 hours ago
0scar
5,6501935
I enabled it. But No change.
– Baalaji V
1 hour ago
Thanks. Will give all the information. Thanks and regards Baalaji
– Baalaji V
42 mins ago
add a comment |Â
1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
up vote
2
down vote
An auto level sensor does not trigger exactly when the nozzle hits the bed like in normal leveling using switches. The sensor is meant to detect the bed before the nozzle touches the bed. It is the offset that you define with command M851 e.g. M851 Z-1.85 that determines the correct offset between sensor trigger point and the nozzle. After homing G28 and auto bed leveling G29, the nozzle needs to get under the sensor trigger point (e.g. in the example above it is then still 1.85 mm away from the platform) so while printing it is perfectly fine that the sensor stays triggered until printing height gets above 1.85 mm. This gives an answer why you see the head go past the trigger point when printing, when homing or leveling that should not happen.
From your configuration can be seen that
//#define Z_SAFE_HOMING
is not enabled, this is advised to enable. This is important, but not the complete solution.
Also, you have not defined the auto leveling area by setting the boundaries for probing (where the probe can reach). In your config you will find disabled constants for (see also this answer):
//#define LEFT_PROBE_BED_POSITION MIN_PROBE_EDGE
//#define RIGHT_PROBE_BED_POSITION (X_BED_SIZE - MIN_PROBE_EDGE)
//#define FRONT_PROBE_BED_POSITION MIN_PROBE_EDGE
//#define BACK_PROBE_BED_POSITION (Y_BED_SIZE - MIN_PROBE_EDGE)
You only have defined a Y sensor offset:
#define Y_PROBE_OFFSET_FROM_EXTRUDER 43
so e.g. the following could work (depending on the offset from limit switch position to printer origin):
#define LEFT_PROBE_BED_POSITION MIN_PROBE_EDGE
#define RIGHT_PROBE_BED_POSITION (X_BED_SIZE - MIN_PROBE_EDGE)
#define FRONT_PROBE_BED_POSITION MIN_PROBE_EDGE + Y_PROBE_OFFSET_FROM_EXTRUDER
#define BACK_PROBE_BED_POSITION (Y_BED_SIZE - MIN_PROBE_EDGE)
Another part in your configuration that need further inspection is your offset from limit switch position (when homing) to printer origin; you have:
#define X_MIN_POS 0
#define Y_MIN_POS 0
This is very unlikely, but possible, it means as is that the X=0 and Y=0 is exactly on the limit switches for X and Y. Usually this is not the case and you see negative values for these constants.
All-in-all, your configuration file has a lot of problems which need to be fixed.
answered 3 hours ago
0scar
5,6501935
I enabled it. But No change.
– Baalaji V
1 hour ago
Thanks. Will give all the information. Thanks and regards Baalaji
– Baalaji V
42 mins ago
add a comment |Â
up vote
2
down vote
An auto level sensor does not trigger exactly when the nozzle hits the bed like in normal leveling using switches. The sensor is meant to detect the bed before the nozzle touches the bed. It is the offset that you define with command M851 e.g. M851 Z-1.85 that determines the correct offset between sensor trigger point and the nozzle. After homing G28 and auto bed leveling G29, the nozzle needs to get under the sensor trigger point (e.g. in the example above it is then still 1.85 mm away from the platform) so while printing it is perfectly fine that the sensor stays triggered until printing height gets above 1.85 mm. This gives an answer why you see the head go past the trigger point when printing, when homing or leveling that should not happen.
From your configuration can be seen that
//#define Z_SAFE_HOMING
is not enabled, this is advised to enable. This is important, but not the complete solution.
Also, you have not defined the auto leveling area by setting the boundaries for probing (where the probe can reach). In your config you will find disabled constants for (see also this answer):
//#define LEFT_PROBE_BED_POSITION MIN_PROBE_EDGE
//#define RIGHT_PROBE_BED_POSITION (X_BED_SIZE - MIN_PROBE_EDGE)
//#define FRONT_PROBE_BED_POSITION MIN_PROBE_EDGE
//#define BACK_PROBE_BED_POSITION (Y_BED_SIZE - MIN_PROBE_EDGE)
You only have defined a Y sensor offset:
#define Y_PROBE_OFFSET_FROM_EXTRUDER 43
so e.g. the following could work (depending on the offset from limit switch position to printer origin):
#define LEFT_PROBE_BED_POSITION MIN_PROBE_EDGE
#define RIGHT_PROBE_BED_POSITION (X_BED_SIZE - MIN_PROBE_EDGE)
#define FRONT_PROBE_BED_POSITION MIN_PROBE_EDGE + Y_PROBE_OFFSET_FROM_EXTRUDER
#define BACK_PROBE_BED_POSITION (Y_BED_SIZE - MIN_PROBE_EDGE)
Another part in your configuration that need further inspection is your offset from limit switch position (when homing) to printer origin; you have:
#define X_MIN_POS 0
#define Y_MIN_POS 0
This is very unlikely, but possible, it means as is that the X=0 and Y=0 is exactly on the limit switches for X and Y. Usually this is not the case and you see negative values for these constants.
All-in-all, your configuration file has a lot of problems which need to be fixed.
answered 3 hours ago
0scar
5,6501935
I enabled it. But No change.
– Baalaji V
1 hour ago
Thanks. Will give all the information. Thanks and regards Baalaji
– Baalaji V
42 mins ago
add a comment |Â
up vote
2
down vote
up vote
2
down vote
An auto level sensor does not trigger exactly when the nozzle hits the bed like in normal leveling using switches. The sensor is meant to detect the bed before the nozzle touches the bed. It is the offset that you define with command M851 e.g. M851 Z-1.85 that determines the correct offset between sensor trigger point and the nozzle. After homing G28 and auto bed leveling G29, the nozzle needs to get under the sensor trigger point (e.g. in the example above it is then still 1.85 mm away from the platform) so while printing it is perfectly fine that the sensor stays triggered until printing height gets above 1.85 mm. This gives an answer why you see the head go past the trigger point when printing, when homing or leveling that should not happen.
From your configuration can be seen that
//#define Z_SAFE_HOMING
is not enabled, this is advised to enable. This is important, but not the complete solution.
Also, you have not defined the auto leveling area by setting the boundaries for probing (where the probe can reach). In your config you will find disabled constants for (see also this answer):
//#define LEFT_PROBE_BED_POSITION MIN_PROBE_EDGE
//#define RIGHT_PROBE_BED_POSITION (X_BED_SIZE - MIN_PROBE_EDGE)
//#define FRONT_PROBE_BED_POSITION MIN_PROBE_EDGE
//#define BACK_PROBE_BED_POSITION (Y_BED_SIZE - MIN_PROBE_EDGE)
You only have defined a Y sensor offset:
#define Y_PROBE_OFFSET_FROM_EXTRUDER 43
so e.g. the following could work (depending on the offset from limit switch position to printer origin):
#define LEFT_PROBE_BED_POSITION MIN_PROBE_EDGE
#define RIGHT_PROBE_BED_POSITION (X_BED_SIZE - MIN_PROBE_EDGE)
#define FRONT_PROBE_BED_POSITION MIN_PROBE_EDGE + Y_PROBE_OFFSET_FROM_EXTRUDER
#define BACK_PROBE_BED_POSITION (Y_BED_SIZE - MIN_PROBE_EDGE)
Another part in your configuration that need further inspection is your offset from limit switch position (when homing) to printer origin; you have:
#define X_MIN_POS 0
#define Y_MIN_POS 0
This is very unlikely, but possible, it means as is that the X=0 and Y=0 is exactly on the limit switches for X and Y. Usually this is not the case and you see negative values for these constants.
All-in-all, your configuration file has a lot of problems which need to be fixed.
answered 3 hours ago
0scar
5,6501935
An auto level sensor does not trigger exactly when the nozzle hits the bed like in normal leveling using switches. The sensor is meant to detect the bed before the nozzle touches the bed. It is the offset that you define with command M851 e.g. M851 Z-1.85 that determines the correct offset between sensor trigger point and the nozzle. After homing G28 and auto bed leveling G29, the nozzle needs to get under the sensor trigger point (e.g. in the example above it is then still 1.85 mm away from the platform) so while printing it is perfectly fine that the sensor stays triggered until printing height gets above 1.85 mm. This gives an answer why you see the head go past the trigger point when printing, when homing or leveling that should not happen.
From your configuration can be seen that
//#define Z_SAFE_HOMING
is not enabled, this is advised to enable. This is important, but not the complete solution.
Also, you have not defined the auto leveling area by setting the boundaries for probing (where the probe can reach). In your config you will find disabled constants for (see also this answer):
//#define LEFT_PROBE_BED_POSITION MIN_PROBE_EDGE
//#define RIGHT_PROBE_BED_POSITION (X_BED_SIZE - MIN_PROBE_EDGE)
//#define FRONT_PROBE_BED_POSITION MIN_PROBE_EDGE
//#define BACK_PROBE_BED_POSITION (Y_BED_SIZE - MIN_PROBE_EDGE)
You only have defined a Y sensor offset:
#define Y_PROBE_OFFSET_FROM_EXTRUDER 43
so e.g. the following could work (depending on the offset from limit switch position to printer origin):
#define LEFT_PROBE_BED_POSITION MIN_PROBE_EDGE
#define RIGHT_PROBE_BED_POSITION (X_BED_SIZE - MIN_PROBE_EDGE)
#define FRONT_PROBE_BED_POSITION MIN_PROBE_EDGE + Y_PROBE_OFFSET_FROM_EXTRUDER
#define BACK_PROBE_BED_POSITION (Y_BED_SIZE - MIN_PROBE_EDGE)
Another part in your configuration that need further inspection is your offset from limit switch position (when homing) to printer origin; you have:
#define X_MIN_POS 0
#define Y_MIN_POS 0
This is very unlikely, but possible, it means as is that the X=0 and Y=0 is exactly on the limit switches for X and Y. Usually this is not the case and you see negative values for these constants.
All-in-all, your configuration file has a lot of problems which need to be fixed.
answered 3 hours ago
0scar
5,6501935
edited 26 mins ago
answered 3 hours ago
0scar
5,6501935
answered 3 hours ago
0scar
5,6501935
answered 3 hours ago
0scar
5,6501935
5,6501935
I enabled it. But No change.
– Baalaji V
1 hour ago
Thanks. Will give all the information. Thanks and regards Baalaji
– Baalaji V
42 mins ago
add a comment |Â
I enabled it. But No change.
– Baalaji V
1 hour ago
Thanks. Will give all the information. Thanks and regards Baalaji
– Baalaji V
42 mins ago
I enabled it. But No change.
– Baalaji V
1 hour ago
I enabled it. But No change.
– Baalaji V
1 hour ago
Thanks. Will give all the information. Thanks and regards Baalaji
– Baalaji V
42 mins ago
Thanks. Will give all the information. Thanks and regards Baalaji
– Baalaji V
42 mins ago
add a comment |Â
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As your question is now it is difficult to answer it with a definitive answer, it lacks some information. Optimally you nee to add a link to your configuration file (e.g. posted on PasteBin), the sensor type and location and the printer type. On homing the sensor should trigger and stop the Z movement, but when printing the head keeps lowering until the print height is reached, during that time the sensor is always triggered, that is perfectly normal.
– 0scar
3 hours ago
When you add information in the comments, you should update your question with this information. A question must be comprehensive, it should not be necessary for people to read the comments for extra information. SE sites work a little different than regular forums, please take the tour and read How to Ask. I have updated the question for you :)
– 0scar
2 hours ago