Mahr
The Mahr MMQ 40 Form is a form tester. The Mahr MMQ 40 Form has a 50 mm high precision sphere. The Mahr MMQ 40 Form has an adjustable measuring force of 0.5 to 0.005 N.[1][2]

The Mahr MMQ 40 Form has a high precision sphere for accuracy. The Mahr MMQ 40 Form has a 50 mm sphere. The Mahr MMQ 40 Form specifies circular deviation of 0.00004 mm. The Mahr MMQ 40 Form uses a probe for MFU, MMR, and MMQ. The Mahr MMQ 40 Form is adjustable to 110 degrees. The Mahr MMQ 40 Form has adjustable measuring force from 0.5 N to 0.005 N. The MMQ 40 Form PC is CNC-controlled. The MMQ 40 Form PC is intended for highly accurate measurement of form and positional tolerances with graphical evaluation.[1][2][3][4]
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The following facts about the MMQ 40 Form are absent from this record as of this revision. First-hand knowledge or a citation closes a gap; every submission is reviewed before publication.
No publicly documented production dates or lifecycle milestones (introduction, end of production, EOL) for the MMQ 40 Form are on record.
Answerable by: OEM historical records or a trade-press announcement
No publicly documented variants, configuration options, or revision breakpoints of the MMQ 40 Form are on record.
Answerable by: an OEM product catalog or an engineer who ordered or specified the tool
The control-system platform and OS era of the MMQ 40 Form are not on record.
Answerable by: an engineer who operated it or OEM installation records
No publicly documented failure modes or field errata for the MMQ 40 Form are on record.
Answerable by: a field service engineer, process engineer, or maintenance technician
The process node or technology generation of the MMQ 40 Form is not on record.
Answerable by: an OEM datasheet or a fab qualification report
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Last updated Oct 15, 2026.
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