© Jones & Bartlett Learning, LLC © Jones & Bartlett Learning, LLC NOT FOR SALE OR DISTRIBUTION NOT FOR SALE OR DISTRIBUTION CHAPTER 6 © Jones & Bartlett Learning, LLC © Jones & Bartlett Learning, LLC NOT FOR SALE OR DISTRIBUTION NOT FOR SALE OR DISTRIBUTION © Jones & Bartlett Learning, LLC © Jones & Bartlett Learning, LLC NOT FOR SALE OR DISTRIBUTION NOT FOR SALE OR DISTRIBUTION © Jones & Bartlett Learning, LLC © Jones & Bartlett Learning, LLC NOT FOR SALE OR DISTRIBUTION NOT FOR SALE OR DISTRIBUTION © Jones & Bartlett Learning, LLC © Jones & Bartlett Learning, LLC NOT FOR SALE OR DISTRIBUTION NOT FOR SALE OR DISTRIBUTION © Jones & Bartlett Learning, LLC © Jones & Bartlett Learning, LLC NOT FOR SALE OR DISTRIBUTION NOT FOR SALE OR DISTRIBUTION © Jones & Bartlett Learning, LLC © Jones & Bartlett Learning, LLC NOT FOR SALE OR DISTRIBUTION NOT FOR SALE OR DISTRIBUTION © Jones & Bartlett Learning, LLC © Jones & Bartlett Learning, LLC NOT FOR SALE OR DISTRIBUTION NOT FOR SALE OR DISTRIBUTION © Jones & Bartlett Learning, LLC © Jones & Bartlett Learning, LLC NOT FOR SALE OR DISTRIBUTION NOT FOR SALE OR DISTRIBUTION © Jones & Bartlett Learning, LLC © Jones & Bartlett Learning, LLC NOT FOR SALE OR DISTRIBUTION NOT FOR SALE OR DISTRIBUTION © Jones & Bartlett Learning, LLC. NOT FOR SALE OR DISTRIBUTION. 056754_CH06_p140-163.indd 140 4/4/14 6:08 PM © Jones & Bartlett Learning, LLC © Jones & Bartlett Learning, LLC NOT FOR SALE OR DISTRIBUTION NOT FOR SALE OR DISTRIBUTION Applying Basic © Jones & Bartlett Learning, LLC © Jones & Bartlett Learning,6 LLC HandNOT Skills FOR SALE OR DISTRIBUTION NOT FOR SALE OR DISTRIBUTION © Jones & Bartlett Learning, LLC © Jones & Bartlett Learning, LLC NOT FOR SALE OR DISTRIBUTION NOT FOR SALE OR DISTRIBUTION Primary Learning Objectives © Jones & Bartlett Learning, LLC © Jones & Bartlett Learning, LLC NOT FOR SALEAfter reading OR DISTRIBUTIONthis chapter, you will be able to: NOT FOR SALE OR DISTRIBUTION 1. Perform marking-off/marking-out exercises. (pp. 145–146) 2. Perform grinding exercises. (pp. 146–147) 3. Perform drilling exercises. (pp. 148–149) 4. Perform cutting ©exercises. Jones (pp. & 148–149)Bartlett Learning, LLC © Jones & Bartlett Learning, LLC 5. Perform filing exercises. (pp. 150–151) 6. Perform internalNOT and external FOR threadingSALE OR exercises. DISTRIBUTION (pp. 151–153) NOT FOR SALE OR DISTRIBUTION ©Knowledge Jones & Bartlett Objectives Learning, LLC © Jones & Bartlett Learning, LLC NOT FOR SALE OR DISTRIBUTION NOT FOR SALE OR DISTRIBUTION After reading this chapter, you will be able to: 1. List and describe basic marking and measuring tools. (pp. 142–145) 2. Use various tools and workshop equipment. (pp. 145–153) © Jones & Bartlett3. Make a Learning,puller. (pp. 154–160) LLC © Jones & Bartlett Learning, LLC NOT FOR SALE OR DISTRIBUTION NOT FOR SALE OR DISTRIBUTION Skills Objectives After reading this chapter,© Jones you will & be Bartlett able to: Learning, LLC © Jones & Bartlett Learning, LLC NOT FOR SALE OR DISTRIBUTION NOT FOR SALE OR DISTRIBUTION 1. Mark off/mark out material. (p. 146) PROCEDURE 6-1 2. Set up, adjust and use a bench grinder. (p.146) PROCEDURE 6-2 3. Sharpen and face tools. (pp. 147–148) PROCEDURE 6-3 4. Set up, adjust and operate a drill. (p. 149) PROCEDURE 6-4 5.© Set Jones up, adjust & Bartlettand use a hacksaw.Learning, (p. 149) LLC PROCEDURE 6-5 © Jones & Bartlett Learning, LLC 6.NOT Set up, FOR adjust SALE and use OR a file. DISTRIBUTION (p. 151) PROCEDURE 6-6 NOT FOR SALE OR DISTRIBUTION 7. Set up, adjust and use dies and taps. (p. 153) PROCEDURE 6-7 8. Make a puller. (pp. 154–160) PROCEDURE 6-8 © Jones & Bartlett Learning, LLC © Jones & Bartlett Learning, LLC NOT FOR SALE OR DISTRIBUTION NOT FOR SALE OR DISTRIBUTION 141 © Jones & Bartlett Learning, LLC. NOT FOR SALE OR DISTRIBUTION. 056754_CH06_p140-163.indd 141 4/4/14 6:08 PM 142 CHAPTER 6 Applying Basic Hand Skills types of inside calipers consist of the fixed-joint caliper © Jones & Bartlett Introduction Learning, LLC © Jones & Bartlett Learning, LLC and the spring-joint caliper. The spring-joint inside cali- NOT FORDuring SALE the OR course DISTRIBUTION of any day within the workshop envi-NOTper FOR is made SALE up ofOR two DISTRIBUTION legs, a circular spring, a pivot pin ronment, technicians will handle a variety of different and an adjustment device. tools to complete the work tasks. For all tools, the work- Spring jointed-type calipers are provided with an shop will supply some, and others will be part of the adjusting screw, which moves the legs against spring technician’s everyday ©tool Jones chest. & Bartlett Learning, LLCtension. The firm joint has© twoJones legs &fastened Bartlett together Learning, LLC Regardless of whoNOT owns FORwhat, SALEit is the OR technician’s DISTRIBUTION with either a nut or some NOTother anchoringFOR SALE device. OR AllDISTRIBUTION responsibility to: the adjustments are by hand. The spring joint type is the better of the two as it is much easier to adjust, thus ■ Select the correct tools to complete the task. giving it a higher degree of accuracy. The sizes of the ■ Use the tools in a safe manner and to manufacturer’s calipers are determined by the lengths of their legs. They © Jones & Bartlett Learning, LLC © Jones & Bartlett Learning, LLC recommendations. are measured from the center of the joint to the bottom ■ NOTMaintain FOR these SALE tools ORto a highDISTRIBUTION standard. NOT FOR SALE OR DISTRIBUTION ■ Clean and store the tools in their correct and proper places. © Jones & TheBartlett tools andLearning, equipment LLC can be divided into three© Jones & Bartlett Learning, LLC NOT FORmajor SALE categories OR DISTRIBUTION that allow them to be identified easily.NOT FOR SALE OR DISTRIBUTION The groups are: ■ Hand tools: general and manufacturer’s special tools ■ Measuring equipment© Jones & Bartlett Learning, LLC © Jones & Bartlett Learning, LLC ■ Workshop equipmentNOT FOR SALE OR DISTRIBUTION NOT FOR SALE OR DISTRIBUTION Basic Marking and Measuring© Jones & Bartlett Tools Learning, LLC © Jones & Bartlett Learning, LLC MeasuringNOT toolsFOR are SALE precise OR instruments DISTRIBUTION and must be han- NOT FOR SALE OR DISTRIBUTION dled with care. These measuring tools must be cleaned, inspected and stored in such a matter as not to allow FIGURE 6-1 A typical inside caliper. them to get damaged. Some precision measuring instru- © Jones &ments, Bartlett such Learning,as micrometers, LLC vernier calipers and dial© Jones & Bartlett Learning, LLC NOT FORgauges, SALE may OR require DISTRIBUTION calibration by a suitably qualifiedNOT FOR SALE OR DISTRIBUTION person. When storing these tools for a period of time, they should be cleaned, inspected and given a protective coating such as a light lubricant to minimize the chances of rust forming. © Jones & Bartlett Learning, LLC © Jones & Bartlett Learning, LLC Calipers NOT FOR SALE OR DISTRIBUTION NOT FOR SALE OR DISTRIBUTION Calipers are used for transferring measurements or dimensions between the surface faces of a component to reduce sighting errors or mistakes. Calipers basi- cally© come Jones in two & Bartlettformats: inside Learning, calipers LLC and outside © Jones & Bartlett Learning, LLC calipers.NOT FOR SALE OR DISTRIBUTION NOT FOR SALE OR DISTRIBUTION Inside Caliper An inside caliper is primarily used to measure the internal FIGURE 6-2 A typical jenny caliper. © Jones &dimensions Bartlett ofLearning, a component LLC FIGURE 6-1 . The common© Jones & Bartlett Learning, LLC NOT FOR SALE OR DISTRIBUTION NOT FOR SALE OR DISTRIBUTION © Jones & Bartlett Learning, LLC. NOT FOR SALE OR DISTRIBUTION. 056754_CH06_p140-163.indd 142 4/4/14 6:08 PM CHAPTER 6 Applying Basic Hand Skills 143 of the legs; the most common caliper sizes are 3 inch, © Jones & Bartlett Learning, LLC © Jones & Bartlett Learning, LLC 4 inch and 6 inch (75 mm, 100 mm and 150 mm). NOT FOR SALE OR DISTRIBUTION NOT FOR SALE OR DISTRIBUTION Another form of inside caliper is the jenny caliper FIGURE 6-2 . They are used to scribe lines that are par- allel to an edge or to determine the center of circles when boring. © Jones & Bartlett Learning, LLC © Jones & Bartlett Learning, LLC Outside Caliper NOT FOR SALE OR DISTRIBUTION NOT FOR SALE OR DISTRIBUTION This type of caliper and its construction are the same as the inside caliper except the legs are facing inward. Outside calipers are utilized for taking outside © Jones & Bartlett Learning, LLC © Jones & Bartlett Learning, LLC NOT FOR SALE OR DISTRIBUTION NOT FOR SALE OR DISTRIBUTION FIGURE 6-5 Scribers are sharply pointed marking tools used to make lines on metal to mark cutting or drilling points. © Jones & Bartlett Learning, LLC © Jones & Bartlett Learning, LLC NOT FOR SALE OR DISTRIBUTION NOT FOR SALE OR DISTRIBUTION measurements, such as obtaining the diameter of a pipe © Jones & Bartlett Learning, LLCFIGURE 6-3 . © Jones & Bartlett Learning, LLC NOT FOR SALE OR DISTRIBUTIONDividing Compass NOT FOR SALE OR DISTRIBUTION A dividing compass is used for drawing circles and curves on metal. Both legs of the compass have sharpened points and the radius can be set by utilizing the adjustable FIGURE© Jones 6-3 A &typical Bartlett set of outside Learning, calipers. LLC © Jones & Bartlett Learning, LLC set screw FIGURE 6-4 . NOT FOR SALE OR DISTRIBUTION Before usingNOT the FOR dividing SALE compass, OR DISTRIBUTION a small pilot mark is stamped on the metal to allow one leg to be held in its relative position while the other leg scribes a mark onto metal as it is rotated. © Jones & Bartlett Learning, LLC © JonesScriber & Bartlett Learning, LLC NOT FOR SALE OR DISTRIBUTION NOT FOR SALE OR DISTRIBUTION Also known as an engineer’s scriber, this tool is a sharp, pointed marking tool and is used for drawing lines on metal FIGURE 6-5 . Normally, it has one straight pointed end, and the other end is bent at a 90-degree angle and © Jones & Bartlett Learning, LLCalso has a sharpened point on© Jonesit. To ensure & Bartlett that the toolLearning, LLC NOT FOR SALE OR DISTRIBUTIONcan be correctly gripped, theNOT center FOR portion SALE is knurled.