Showing posts with label bits. Show all posts
Showing posts with label bits. Show all posts

Friday, March 23, 2018

MONEY MAKING - TIME SAVING AUTO HACKS - Sharpening a Twist Drill Bit

Save Money Sharpening Your Own Drill Bits...  
How to Hand Sharpen a Twist Drill Bit....  
Sharpening drill bits is not a daily task most service technicians do to maintain their tools. If the truth is told, technicians would rather replace their drill bits rather than take time to sharpen them. However, with the high cost of quality drill bits, some technicians and auto enthusiasts have  elected to learn how to sharpen them. Watch the video above and save money like crazy! 
Twist Drill Bit Sharpening Jig....  
In this video, AskWoodmanTV shows you how to sharpen a drill bit using a jig, along with a brief illustration of the parts and geometric angles involved in servicing a drill bit. The publisher gives a brief theory lesson at the end of his presentation to help aid in understanding sharpening techniques and why critical angles and concepts must be mastered to get a drill bit that can cut through metal. 

In using the diagram below, emphasis is placed on the following parts: point angle, cutting lip, lip relief angle, and the chisel edge using the 118 degrees drill bit.

Basic Drill Sharpening...  
In this video, a self taught publisher Gary Houston shares his basic techniques for hand sharpening drill bits. He uses an ingenuous method of two nuts to determine 118 degrees - rather than use a protractor. The idea is that the 2 degree difference in the 120 degree angle created by the two nuts (60 degrees for each bolt) will be sufficient enough as a guide for the final cut.

Gary is the best because he uses superb camera angles and HD video to illustrate his methods. He focuses on getting the job done (that being to cut through metal) without spending tons of money on replacement bits.

Using Drill Doctor to Sharpen a Drill Bit...  
In this video, RJ The Bike Guy demonstrates the Drill Doctor 750X Bit Sharpener. The video allows anyone with basic shop experience the ability to setup and use the machine with ease. The sharpener can handle bit sizes up to 3/4 inches. The advantage of this machine is that the bit sharpening process is built into various sections of the machine - with each step illustrated to make the sharpener a $140 marvel machine.

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