HW3: A block of steel has a length I. = 600 mm and a width W = 450 mm. The thickness is Machined 10 mm, once by Peripheral Milling and once by Planing Machine. Calculate Machining time for each operation if you know the following: 1. For peripheral milling: cutting speed V = 80 m/min, Feed f = 0.15 mm/rev, the cutter diameter D- 50 mm with five teeth and depth of cut d-3 mm. 2. For Planing: clearance on both sides e - 25 mm, cutting speed V = 36.56 m'min, return to cutting ratio m - 0.25, feed f-5 mm'stroke and depth of cut d- 5 mm. 3. Calculate Material removal rate in both Processes.

HW3: A block of steel has a length I. = 600 mm and a width W = 450 mm. The thickness is Machined 10 mm, once by Peripheral Milling and once by Planing Machine. Calculate Machining time for each operation if you know the following: 1. For peripheral milling: cutting speed V = 80 m/min, Feed f = 0.15 mm/rev, the cutter diameter D- 50 mm with five teeth and depth of cut d-3 mm. 2. For Planing: clearance on both sides e - 25 mm, cutting speed V = 36.56 m'min, return to cutting ratio m - 0.25, feed f-5 mm'stroke and depth of cut d- 5 mm. 3. Calculate Material removal rate in both Processes.

Precision Machining Technology (MindTap Course List)

2nd Edition

ISBN:9781285444543

Author:Peter J. Hoffman, Eric S. Hopewell, Brian Janes

Publisher:Peter J. Hoffman, Eric S. Hopewell, Brian Janes

Chapter5: Turning

Section5.3: Machining Operations On The Lathe

Problem 5RQ: Calculate spindle RPM and machining time for cutting a 1.5" diameter 4" long at 225 SFPM using a...

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