CURRENT BLOG POSTS


What could be so important about a small 200-watt servo pack that it is still being repaired today?

We are talking about the Yaskawa AC servo pack SGDH-02AE-OY, a compact but highly precise drive component from the proven Sigma-II series. Although Yaskawa itself discontinued this model years ago and no longer offers factory repairs, the demand remai...



When the Spindle Gets Too Loud – Repair of a Mitsubishi Spindle Motor SJ-4-18.5BW4

A short while ago, we received a Mitsubishi AC spindle motor of the type SJ-4-18.5BW4 from a machine service company for repair. The reason: during operation, the motor was noticeably loud and repeatedly showed encoder errors at higher speeds. For the...



Repair of the Mitsubishi MR-J2-60C-S100 AC Servo Drive – A Field Report

Obsolete Servo Drive Without Manufacturer Support The Mitsubishi MR-J2-60C-S100 is a 600 W AC servo amplifier from the MELSERVO-J2 series. This product line was introduced in the 1990s and featured advanced capabilities for its time, such as buil...



Yaskawa USAIKM-50-BK33-C AC Servo Motor – Repaired by Us for Over 10 Years

Customer Experience Report – How the Motor Came to Us “The following report was kindly provided by one of our customers.” Sudden Failures Despite Proven Technology We are a medium-sized manufacturing company from Ungary specia...



Lost Time, Costly Mistakes – and Finally a Solution

Repair of a Yaskawa XtraDrive XD-50-TN Servopack – A Real-World Case Study The Case: Two Months of Downtime and No Results A customer from the industrial printing sector approached us in desperation. Their production line had been down for two...



MR-J40A-D33: Deceptively Real, But Not Compatible?

What’s the Real Story Behind Mitsubishi’s MR-J40A-D33 Servo Amplifier? We Show Why Many Replacement Units from the Far East Fail in Practice – And How We Can Still Help. Special Version with a Hidden Difference The Mitsubishi MR-J...



When Is It Worth Repairing Small Servo Motors Like the Mitsubishi HF-KP43JK-S6?

We are often asked:“Is it even worth repairing such a small servo motor?”It’s a valid question – especially when it comes to motors like the Mitsubishi HF-KP43JK-S6 with Encoder OBA18, a compact 400-watt servo drive.And the answer, lik...



Spindle Motor Failure with a Bang – Causes and Successful Repair

The incident at the customer spindle drive MDS-B-SPJ2-37 with bang and smoke At one of our customers’ facilities, the spindle motor SJ-P3.7A experienced repeated failures. Eventually, the associated spindle drive MDS-B-SPJ2-37 from Mitsub...



Interesting Information about the Okuma MIV0303-1-B1 Servo Drive

In this post, we have compiled interesting and helpful information about the Okuma MIV0303-1-B1 servo drive unit (Order No. 1006-2229). Our goal is to provide you with a comprehensive overview and quick service for anyone seeking information. Quick...