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FANUC SV0381/0384/0385/0386/0387 Servo Alarms: Poor Grounding and the Linear Scale (EXT) Alarm Family
On a full-closed-loop machine SV0381/0384/0385/0386/0387 often trip alternately or keep repeating on one axis, easily misread as a broken scale or amplifier. These alarms all say '...
7小时前
Heidenhain TCH PROBE 31 / 481 Tool Length Measurement: Parameters, TOOL.T Fields and MP vs Cfg Differences
Tool measurement with a Heidenhain TT goes wrong for three recurring reasons: the cycle format does not match the control generation, the safety-zone parameter is looked for in the...
7小时前
Heidenhain Touch Probe Calibration: iTNC 530 Uses MP, TNC 640/TNC7 Uses Cfg — Calibrate in the Right Place
The complete Heidenhain touch probe calibration and in-machine measurement reference: the iTNC 530 versus TNC 640/620/TNC7 parameter generations, 3-D and touch-trigger probe calibr...
7小时前
FANUC 光栅尺报警族 SV0381/0384/0385/0386/0387：接地不良引发的全闭环外置检测器故障排查
全闭环机床上 SV0381/0384/0385/0386/0387 常交替或反复跳，容易误判成光栅尺或放大器坏了。这一族报警内容都带'（外置）'，指向光栅尺等分离型检测器的反馈链路，最常见根因是接地与屏蔽没做好...
7小时前
海德汉 TCH PROBE 31/481 测刀循环参数对照：iTNC530 走 MP、TNC640 走 Cfg，逐齿上限 99 与 20 的分界
对刀仪测刀测不准，根子多在循环格式选错代、安全区参数找错地方、TOOL.T 该预填的字段空着。本文按官方手册口径讲透 TCH PROBE 31 与 481 的两代格式差异、Q340 覆写/比较/只读三模式、Q260 安...
7小时前
海德汉测头标定与在机测量参数：iTNC530 走 MP、TNC640/TNC7 走 Cfg，别改错地方
海德汉测头标定与在机测量参数完整指南：iTNC 530 与 TNC 640/620/TNC7 两代参数体系对照，3D 测头与触发式测头标定流程（CAL L / CAL R），标定值手动写回 TOOL.T 的官方条件（MP7411 / MP7260...
7小时前
Will Changing the HEIDENHAIN Battery Erase Your Programs? iTNC530 / TNC640 / TNC7 — What Is Lost, What Is Kept, Renata CR2450N and the Live-Swap Steps
The fear before every battery swap: will the programs be gone? On HEIDENHAIN controls like the iTNC530 the answer is no — NC programs, machine parameters, tool tables and datum of...
7小时前
海德汉换电池会丢程序吗？iTNC530/TNC640/TNC7 到底丢什么、留什么，附 Renata CR2450N 型号与带电更换流程
换电池前最怕一句'程序会不会没'。对海德汉 iTNC530 这类控制，答案是否定的：NC 程序、机床参数、刀具表、零点偏置全在硬盘或 CF 卡里，跟那颗纽扣电池没关系。电池只保 RTC、PLC 保持位和刀补...
7小时前
FANUC Spindle Amplifier Alarm Codes Full List: SPM/PSM Two-Digit LED 01–88 (A/b0/C0 Letter Codes) + Replace-vs-Wire Decision
Reading the two digits on the spindle amp LED? This full list maps FANUC SPM alarm codes 01–88 and A/b0/C0 letter codes to plain-English meaning, first action, and how to tell whe...
8小时前
FANUC 主轴放大器报警代码全表：SPM/PSM 两位数码管 01–88 逐条对照（含 A/b0/C0 字母码）+ 换板还是查线判定
现场拿着放大器看数码管查码，最怕两件事：把'系统 SP9012'和'放大器 12'当两个故障，或照着来路不明的码表把不该换的板子换了。本文按数码管显示的两位数字排序，逐条给中文含义、首要动作与判...
8小时前
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