Bowers Group Internal Thread measurement - Manual

Bowers Metrology Ltd, 32 Leeds Old Road, Bradford, England, BD3 8HU
Tel :(0044) 01274 223456 Fax :(0044) 01274 223444
Email : [email protected]
BOWERS METROLOGY
SPECIAL
APPLICA
TIONS
Subject : Internal Thread Measurement
The following features can be inspected using Bowers thread heads :
• Left-hand threads
• Right-hand threads
• Ball screws
• Effective thread
diameter
• Pitch diameter
• 2 or 3 anvil contact
• Measurement of effective (functional)diameter
• Measurement of pitch diameter (option)
• Measurement of major diameter (option)
• Available for the following types of thread form :
UN (UNF, UNC, UNJ, ), Metric, Acme, Whitworth, Buttress, BSP, BA, BSF,
PG, Trapezoidal, and most standard and non-standard pitches
• M4 mm - M300 mm
• No.8 - 12"
• Fastener manufacturers and manufacturers of any threaded components
• Ball-screw manufacturers
• Thread form
• Thread diameter
• Type of measurement required :
- Effective (functional) diameter ?
- Pitch diameter ?
- Major diameter ?
• Bowers digital system required (pistol-grip / digital micrometer / Superbore)
• Whether thread setting rings are required
If an order is received, please provide a drawing of the part to enable us to ensure that all
details are correct before proceeding to manufacture.
Details
Head features
Range available
Customer profile
Information required
3-point thread head
Left hand
Multistart
Ball-screw
Acme Buttress
Examples of
some thread
types available
Thread setting ring