DML Exam 1 Part 2 Questions And Answers 2022/2023

Name the most common saw blade set patterns - Answer - Raker, wave, and straight Describe the conditions that define blade selection - Answer - Workpiece material, cross-sectional shape, and thickness On a reciprocating saw, what is the direction of the cut? - Answer - On the back stroke What is set and why is it necessary? - Answer - The tooth offset on either side of the blade. Set provide clearance for the back of the blade What are common tooth forms? - Answer - standard, skip, and hook What can happen if the stock is left in place during the cut? - Answer - Cuttoff material can bind the blade and destroy the set What type of cutoff saw will most likely be found in the machine shop? - Answer - The horizontal band saw Of what value are cutting fluids? - Answer - Cooling, lubrication, and chip removal. What can result if chips are not properly removed from the cut? - Answer - Scoring and possible blade breakage If a blade is replaced after a cut has been started, what must be done with the workpiece? - Answer - It must be turned over and a new cut started Are you likely to find an abrasive saw used routinely for cutting stock in a machine shop? - Answer - Probably not. What are the advantages of the abrasive saw? - Answer - Fast cutting, and they can be used to cut nonmetallic, tough, and hard materials. What types of abrasives are used on what types of materials? - Answer - Aluminum oxide, silicon and diamond Name two types of abrasive wheel bonds - Answer - Shellac, resinoid, and rubber What is one advantage of a precision cold saw? - Answer - Length tolerance of cutoff stock can be held close