TPM ENGINEERING SNAPSHOT · Nº 02

SIX WAYS WE MAKE CHIPS

Six core processes on our floor — what each is for, what it runs on, and how tight it holds.

True Precision Machining
Nº 01

3-axis CNC milling

Prismatic parts

MACHINES
Haas VF-6 · Makino S56 · Doosan DNM-4500-S
ENVELOPE
Up to 64″ × 32″ × 30″ (Haas VF-6)
BEST TOL + FINISH
0.0002″ · 32–125 µin Ra
Nº 02

5-axis CNC milling

Complex contours

MACHINES
Kitamura Mytrunnion 4G · Doosan DVF 5000
ENVELOPE
24″ × 24″ × 19.7″ (Kitamura Mytrunnion 4G)
BEST TOL + FINISH
0.0002″ · 16–32 µin Ra
Nº 03

CNC turning (lathe)

Round parts

MACHINES
Daewoo Puma 12S · Lynx 200L
ENVELOPE
Up to 3.0″ bar × any length within machine
BEST TOL + FINISH
0.0002″ · 16–63 µin Ra
Nº 04

Swiss-type CNC turning

Small precision parts

MACHINES
Tsugami B0205-III · B0326II
ENVELOPE
1mm – 32mm bar diameter (Tsugami)
BEST TOL + FINISH
0.0001″ · 16–32 µin Ra
Nº 05

Wire EDM

Hardened materials

MACHINES
Fanuc Alpha C400iB · Alpha 1iD
ENVELOPE
23.6″ × 15.7″ × 12.2″ (Fanuc Alpha 1iD)
BEST TOL + FINISH
0.00008″ · 4–125 µin Ra (varies by pass; 4 µin best, multi-pass skim)
Nº 06

Surface grinding

Flat surfaces

MACHINES
Boyar-Schultz
ENVELOPE
Within Boyar-Schultz 7″ × 13″
BEST TOL + FINISH
0.0001″ · 8–32 µin Ra

One PO, one shop — parts route across these processes without leaving the building.