Page 227 - Techniks Catalog 2017

PinzBOHR Boring Tool Selection Guide

Use the questions below to determine your tooling requirements. You can also fill out and fax this
information to us if you need assistance with your tooling selection. Fax it to: (317) 803-8001.
Name __________________________________________________________________________________
Company ________________________________________________________________________________
Address _________________________________________________________________________________

City _____________________________________ St _____ Zip _____________________________________
E-mail __________________________________ Ph _____________________ Fax _____________________
1. What is the finish size of the hole? ____________________________

(Determines size of boring head.)
2. What is the tolerance of the finished hole? ______________________
(Determines if you need rough or finish boring head.)
3. Is the starting hole forged, cast, drilled, or reamed? _______________
(Determines whether you need 75 or 90 degree boring head.)
4. What is the design of the bored hole? __________________________
(Also determines degree of boring head.)
a. Stepped bore
b. Thru bore ______________________________________________
5. What material are you machining? ____________________________
(Determines insert grade and chip breaker selection.)
6. What spindle type is on the machine? __________________________
(Determines holder selection.)
7. How deep is the bore? ______________________________________
(Determines length of holder and extensions.)
8. Do you require any extra reach for fixturing or other reasons? ______
9. Does your machine have coolant-thru capability? ________________
Misc: Select coolant option based on connection diameter and bore depth requirements (question #6 above).

Key to boring head descriptions Key to boring toolholder descriptions
A 22 75 400 A = finish heads, D = rough heads CT 330 or 350 22 100
(see question #2 above)
CT = type of spindle (see question #6 above)
22 = connection diameter
(see question #1 above) 330 = taper size (see question #6 above)
75 = approach angle 22 = connection diameter
(match head connection)
(see question #3 above)
400 = insert style or CT cartridge 100 = boring depth (BD)
(see question #5 above) (see question #7 above)

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