There is strong concern in the machine shop trade, that manufacturers of computer numerical control (CNC) machines have gotten very proprietary with their controls / electronics and many no longer provide maintenance  or repair manuals.  Thousands of small to large machine shops are faced with paying high repair fees and exorbitant prices for replacement parts.

For example, HAAS Automation no longer supports their older controls and will not provide replacement parts or assistance in repair of existing parts.  Some CNC machines that are less than 10 years old are no longer supported.  These machines are expected to last decades and usually cost more than $60K each.

ProWelder Guide Editor Brian Green explains how welding equipment repair is also monopolized - leading to more challenges for manufacturers in his Guest Editorial. 

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