Sgr A* VMT
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中文教程/教程.md
144
中文教程/教程.md
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使用本模块需要对klipper使用有一定知识和经验积累，请在使用前确保你具备自己进行配置修改的能力
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为了保证精度，请安装时尽可能让传感器线圈板的顶面低于加热块的底面。
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教程里没有提到的不要做（尤其是G28），提到的请务必做
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在用户目录下执行git clone https://gitee.com/NBTP/IDM.git 下载程序包
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执行chmod +x IDM/install.sh
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如果你不确定自己的pip源是否是国内源或者能否正常下载新的库，或者你完全不知道pip是什么,建议使用以下命令将pip设置为清华源:
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~/klippy-env/bin/pip config set global.index-url https://pypi.tuna.tsinghua.edu.cn/simple
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然后执行IDM/install.sh进行安装
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然后
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[idm]
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serial:
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#canbus_uuid:
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# Path to the serial port for the idm device. Typically has the form
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# /dev/serial/by-id/usb-idm_idm_...
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speed: 40.
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# Z probing dive speed.
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lift_speed: 5.
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# Z probing lift speed.
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backlash_comp: 0.5
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# Backlash compensation distance for removing Z backlash before measuring
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# the sensor response.
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x_offset: 0.
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# X offset of idm from the nozzle.
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y_offset: 21.1
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# Y offset of idm from the nozzle.
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trigger_distance: 2.
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# idm trigger distance for homing.
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trigger_dive_threshold: 1.5
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# Threshold for range vs dive mode probing. Beyond `trigger_distance +
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# trigger_dive_threshold` a dive will be used.
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trigger_hysteresis: 0.006
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# Hysteresis on trigger threshold for untriggering, as a percentage of the
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# trigger threshold.
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cal_nozzle_z: 0.1
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# Expected nozzle offset after completing manual Z offset calibration.
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cal_floor: 0.1
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# Minimum z bound on sensor response measurement.
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cal_ceil:5.
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# Maximum z bound on sensor response measurement.
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cal_speed: 1.0
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# Speed while measuring response curve.
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cal_move_speed: 10.
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# Speed while moving to position for response curve measurement.
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default_model_name: default
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# Name of default idm model to load.
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mesh_main_direction: x
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# Primary travel direction during mesh measurement.
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#mesh_overscan: -1
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# Distance to use for direction changes at mesh line ends. Omit this setting
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# and a default will be calculated from line spacing and available travel.
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mesh_cluster_size: 1
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# Radius of mesh grid point clusters.
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mesh_runs: 2
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# Number of passes to make during mesh scan.
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请注意调整配置中的x y方向偏移。确保校准过程中喷头会将线圈移动到原先喷嘴所在xy位置。
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将这段配置放进printer.cfg并将serial修改为你查询到的idm的串口号，查询指令为ls /dev/serial/by-id/*
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can版本的话使用
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~/klippy-env/bin/python ~/klipper/lib/canboot/flash_can.py -q
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搜索can的uuid并填入
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-------------------------------------------------
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在配置里再加入（你不加有你好果子吃）
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[force_move]
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enable_force_move: true
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之后把[probe]模块删除
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并将z限位(stepper_z的endstop_pin:后面)修改为probe:z_virtual_endstop
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还需要设置
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[safe_z_home]
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home_xy_position: <你的x轴中心坐标>,<你的y轴中心坐标>
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z_hop: 10
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如果你已经配置过safe_z_home或者homing_override，可以忽视这一步
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记得设置[bed_mesh]不然会报错
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bed_mesh中的zero_reference_position不要配置
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重启之后归零x和y（g28 x y ,不要归零z）
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然后输入SET_KINEMATIC_POSITION z=80
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之后就可以控制z方向移动，将喷嘴贴到平台上（也可以垫A4纸确保间隙合适）
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再输入SET_KINEMATIC_POSITION z=0（注意，这和之前那条不一样）
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之后执行idm_calibrate的指令
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弹出的偏移控制框，请点击-0.1的偏移后确认，会自动进行校准
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如果校准后重启之后，无法归零，报错no model，那么你的配置文件的自动生成配置格式错误，请修正格式。
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如果你的机器是诸如VORON2.4这样的4z机器，请加入以下配置到配置文件中
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[gcode_macro QUAD_GANTRY_LEVEL]
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rename_existing: _QUAD_GANTRY_LEVEL
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gcode:
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SAVE_GCODE_STATE NAME=STATE_QGL
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BED_MESH_CLEAR
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{% if not printer.quad_gantry_level.applied %}
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_QUAD_GANTRY_LEVEL horizontal_move_z=10 retry_tolerance=1
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{% endif %}
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_QUAD_GANTRY_LEVEL horizontal_move_z=2
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G28 Z
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RESTORE_GCODE_STATE NAME=STATE_QGL
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如果你的机器是诸如VORON三叉戟这样的3z机器，请加入以下配置到配置文件中
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[gcode_macro Z_TILT_ADJUST]
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rename_existing: _Z_TILT_ADJUST
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gcode:
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SAVE_GCODE_STATE NAME=STATE_Z_TILT
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BED_MESH_CLEAR
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{% if not printer.z_tilt.applied %}
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_Z_TILT_ADJUST horizontal_move_z=10 retry_tolerance=1
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{% endif %}
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_Z_TILT_ADJUST horizontal_move_z=2
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G28 Z
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RESTORE_GCODE_STATE NAME=STATE_Z_TILT
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建议在moonraker.conf配置文件中加入
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[update_manager idm]
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type: git_repo
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channel: dev
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path: ~/IDM
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origin: https://gitee.com/NBTP/IDM.git
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env: ~/klippy-env/bin/python
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requirements: requirements.txt
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install_script: install.sh
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is_system_service: False
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managed_services: klipper
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info_tags:
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desc=idm
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便于后续自动更新IDM的脚本
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含加速计(lis2dw)的版本可以在配置中添加以下内容启用加速计:
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请注意,加速计的配置务必放置到IDM配置的后面。
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[lis2dw]
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cs_pin: idm:PA3
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spi_bus: spi1
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[resonance_tester]
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accel_chip: lis2dw
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probe_points:
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125, 125, 20 #此处设置为你进行共振测量时喷头所处坐标
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配置好之后使用shaper_calibrate进行共振测量
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准备工作结束后调一下z偏移再打印，z偏移保存在model_offset变量中
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调整z偏移前请务必关闭网床，完成机械调平，调平后要再归零一次
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