The casting shown is to be made in cast iron using a wood pattem. Perform the calculations required to determine the dimensions of the patten. Machining allowance, 3 mm / side, Shrinkage allowance for length/external 1 mm / 100 mm Shrinkage allowance for cored-hole 0.8 mm / 100 mm, Draft allowance external Imm / 100mm Draft allowance internal 2 mm / 100mm • 80 6 80 80 80 500 300 300 Final shape after all allowances are applied. 300 x 500 side at the top is on the parting plane. (All dimensions are in mm). You have to show calculations and dimensions at each stage.

The casting shown is to be made in cast iron using a wood pattem. Perform the calculations required to determine the dimensions of the patten. Machining allowance, 3 mm / side, Shrinkage allowance for length/external 1 mm / 100 mm Shrinkage allowance for cored-hole 0.8 mm / 100 mm, Draft allowance external Imm / 100mm Draft allowance internal 2 mm / 100mm • 80 6 80 80 80 500 300 300 Final shape after all allowances are applied. 300 x 500 side at the top is on the parting plane. (All dimensions are in mm). You have to show calculations and dimensions at each stage.

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

Chapter3: Job Planning, Benchwork, And Layout

Section3.1: Understanding Drawings

Problem 9RQ: A dimension listed on an engineering drawing is known as the _______ _______.

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Concept explainers

Metal Casting

Metal casting is described as a manufacturing process in which a mold cavity is produced by sand, and molten metal is filled inside a mold cavity. The desirable shaped object is achieved after the solidification of molten metal. Large metal objects like machine beds, motor bodies, and others can easily be manufactured using metal casting. The place or shop where metal casting is performed is called foundry.

Question

The casting shown is to be made in cast iron using a wood pattem. Perform the calculations
required to determine the dimensions of the patten.
Machining allowance, 3 mm / side,
Shrinkage allowance for length/external 1 mm / 100 mm
Shrinkage allowance for cored-hole 0.8 mm / 100 mm,
Draft allowance external Imm / 100mm
Draft allowance internal 2 mm / 100mm
• 80
6 80
80
80
500
300
300
Final shape after all allowances are applied.
300 x 500 side at the top is on the parting plane. (All dimensions are in mm).
You have to show calculations and dimensions at each stage.

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