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KENNAMETAL Turning Calculator - MACHINING CALCULATOR
Secondhand
R120.00
Closed
6 May 24 15:01
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Product details
Condition
Secondhand
Location
South Africa
Bob Shop ID
611871524
Kennametal Turning Calculator - MACHINING CALCULATOR
Plastic in Plastic sleeve
Kennametal Turning Calculator
How to use your new Kennemetal calculator
SETUP DATA
workpiece material: - AISI 4140 STEEL, 230 BHN
workpiece diameter:- 5 inches
workpiece length:- 4 inches
depth to cut:- .150
insert: - CNMG 432
machine:- 40 horsepower, good condition
speed:- 500sfm
feed:- .015
- DETERMINE FEED AND SPEED:- To determine suggested speed and feed, consult the technical information section of the most recent Kennametal catalog
- DETERMINE THE RPM:- On the front side, MACHINE RPM, find 5 to WORK DIAMETER r scale and set this mark under the arrow. Opposite 500 on the SURFACE SPEED scale, read 380 on the RPM scale. The RPM is 380.
- DETERMINE THE METAL REMOVAL RATE:- On the front side, REMOVAL RATE, locate 500 on the URFACE SPEED scale. Under this mark, set .150 on the DEPTH OF CUT scale. Without moving the slide, locate .015 on the FEED RAYE scale and read 13.5 opposite it on the REMOVAL RATE scale. The metal removal rate is 13.5 cubic inches per minute.
- DETERMINE THE HORSEPOWER:- On the flip side, HORSEPOWER, locate 230 BHN on the WORK MATERIAL scale. Under it set 13.5 on the REOVAL RATE scale. Without moving the slide, fin .015 on the FEED RATE scale, and above it read 15 on the HORSEPOWER REQUIRED scale. The horsepower required is 15.
- DETERMINE CURRING TIME:- Also on the flipside, CUTTING TIME, locate 380 on the RPM scale. Under it, set .015 on the FEED RATE scale. Without moving the slide, find 4 on the LENGTH OF CUT scale, and read .7 under it on the TIME scale. The proposed cut will require .7 minutes.