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Hand and power tools
Published in Andrew Livesey, Alan Robinson, The Repair of Vehicle Bodies, 2018
Hacksaws. The hacksaw is used by the body repair worker to advantage where a clean, neat cut is required, usually where two pieces have to be cut to form a welded joint, and is ideal for cutting irregular-shaped panels which could not be cut with snips or chisel. There are many different types of hacksaws, but in general they consist of a fixed or adjustable frame fitted with a renewable blade of hardened and tempered high-carbon or alloy steel. The hacksaw blades are classified by length and the number of teeth to the inch. Coarse blades have 14 to 16 teeth to 1 in. (25.4 mm) and are used to cut soft metals; finer blades have 18 to 24 teeth to 1 in. (25.4 mm) and are used to cut harder metals. The blades must be fitted with the teeth pointing away from the operator to the front of the frame, and the blade should be slightly tensioned in the frame.
Manufacturing Products
Published in Roger Timings, Basic Manufacturing, 2006
Hacksaws are used to cut metal, plastic, composite materials, frozen meat and bone, and may be hand or power operated. The blades used in hacksaws can be changed to suit the job in hand. It is important to select the correct type and size of blade for the task to be carried out. Hacksaw blades are classified by the pitch of their teeth and length, and are selected according to the thickness of the material to be cut. They range in size from 150 mm long for a ‘junior’ hacksaw blade up to 600 mm for a power hacksaw blade, the most common size being 300 mm for a hand hacksaw.
Fitting using hand skills
Published in David Salmon, Penny Powdrill, Mechanical Engineering Level 2 NVQ, 2012
Using hacksaws. When using a hacksaw, it is important that the workpiece is first secured in a vice and that the saw handle is held vertically with its frame in line with your arm. If you do not hold it properly, it becomes unsafe and the blades may get broken, material may not be sawn straight and inaccurate sawcuts could be made.
Effect of intercritical processing temperature on mechanical properties, microstructure and microhardness of ferrite - bainite medium carbon dual phase steels
Published in Cogent Engineering, 2021
Gurumurthy B M, Achutha Kini U, Sathyashankara Sharma, Pavan Hiremath, Gowrishankar M C
The ASTM E18-02 standard sspecimens are prepared. The bar stocks are cut in to 25 mm length using power blade hacksaw. The facing operation is carried out on CNC turning centre. Hardness test is carried out using Rockwell hardness testing machine (Akash industries model, A1-Twin).
Dynamics of a power hacksaw mechanism, contact interaction with the workpiece, and material removal
Published in International Journal of Modelling and Simulation, 2022
Aman Kumar Maini, Anand Vaz, Geneviève Dauphin-Tanguy
In the model of the power hacksaw machine, the cutting blade reciprocates. As a simplified case for the one-dimensional model, the reciprocating movement of the cutting blade VR in (31) is assumed to be sinusoidal and given by (33).