Determining Cutting Data

Selecting Tool Body, Insert, and Cutting Data

4. Choose the tool body:

Choose diameter (D1) and pitch (Z)

of tool body.

NOTE: Make sure you select the

correct shank style for your

toolholder. For toolholders, visit widia.com.

5. Choose the inserts with the n

Insert Selection Guide

WIDIA™ insert selection guide:

A Determine light machining,LightGeneralHeavy
MachiningPurposeMachining
Material5A
general purpose, or heavyGroupGeometryGradeGeometryGradeGeometryGrade
machining according toP1–P2.E..LDWP40PM.S..GDWP40PM.S..HDWP40PM
workpiece material. See theP3–P4.E..LDWP25PM.S..GDWP35CM.S..HDWP35CM
Material Overview at the endP5–P6.E..LDWP25PM.S..GDWP35CM.S..HDWP35CM

of the catalogue for material descriptions. P B Select the grade given in the M

fi rst choice

insert selection guide. Use the K 5B

alternate choice HNGJ-GD HNPJ-HD HNGJ-HD N six digit order number to easily place your order. S

n H

HNGJ-GD

cutting

catalogue numberedgesDL10SBSRεhm
HNGJ0905ANSNGD12168,585,561,801,200,10

6. Determine cutting data —

„ Recommended Starting Speeds [SFM] 6A

with the WIDIA Recommended

Speeds and Feeds tables: Material

WP25PMWP35CMWS30PMWP40PMTN6501THM-U
Group
A Choose the recommended1395340325545475445–––355310295––––––
speed value according to the6A2330290240335305275–––300260215––––––
workpiece material and grade.3305260210305275245–––275235 6A190––––––
P
4270220180230210190–––245205160––––––
B Choose the recommended5220205180310275250–––205185160––––––
starting feed rate according to6200150120190160130–––180140110––––––
the insert geometry and % of1245215200245220185270240220235205185––––––
radial engagement ae.M2220190155220190170245215175210180150––––––
3170145115175155140185160125155140110––––––
Starting values are given in bold.1275245220355320290––––––––––––
K2215190180280250230––––––––––––
3180160145235210190––––––––––––
n Recommended Starting Feeds [mm]
LightGeneralHeavy
MachiningPurposeMachining
Programmed Feed per Tooth (fz)
as a % of Radial Depth of Cut (ae)
Insert6BInsert
Geometry5%10%20%30%40–100%Geometry
.F..LDJ0,170,320,650,130,230,470,090,170,350,080,150,310,080,140,28.F..LDJ
.E..LD0,170,501,000,130,360,720,090,270,540,080,230,470,080,210,43.E..LD
6B .S..GD0,330,841,350,240,600,970,180,450,720,160,390,630,140,360,57.S..GD
.S..HD0,330,841,350,240,600,970,180,450,720,160,390,630,140,360,57.S..HD

NOTE: Use “Light Machining” value as starting feed rate. 6B