How to Make a Metal Lathe Knob Turner
Intro: How to Make a Metal Lathe Knob Turner
This is my finished ball and knob turner. You can make knobs out of any material you want . Brass,plastic,aluminum,steel , wood .This style of turner i can create a ball up to 1 1/4 inch round.
STEP 1: Ball Turner Base Plan
Here are the plans for the base of the ball turner which goes into the cross slide of the lathe .
STEP 2: Machining the Base
pic#1 shows the 1 1/4 inch height i have to maintain and the end of the project.
#2shows milling the edges square
#3 shows milling the a edge slots that fit in the cross feed ..
#4 shows the top milled flush with the cross feed and it fits very snug.
#2shows milling the edges square
#3 shows milling the a edge slots that fit in the cross feed ..
#4 shows the top milled flush with the cross feed and it fits very snug.
STEP 3: Hub for Turner Rotor
STEP 4: Ball Turner Rotor Plan
Here is the detailed plans for the cutter rotor
STEP 5: Making the Rotor
pic #1 shows the rotor being drilled through with a 1/4 inch tap drill and will be threaded 1/4x20
#2 Shows boring a hole 1 1/4 wide by 3/8's deep to fit a bearing.
#3 shows the rotor with the 1 1/4 outside diameter x 3/8's thick x 1/2 inside diameter bearing press fitted flush to the bottom edge.
#2 Shows boring a hole 1 1/4 wide by 3/8's deep to fit a bearing.
#3 shows the rotor with the 1 1/4 outside diameter x 3/8's thick x 1/2 inside diameter bearing press fitted flush to the bottom edge.
STEP 6: Milling the Rotor
pic#1 shows milling the center of the rotor which will help the cutter slide on center of the rotor.
#2,3,4 Show milling the rotor to the correct size for clearance to cut the knobs
#2,3,4 Show milling the rotor to the correct size for clearance to cut the knobs
STEP 7: Ball Turner Bit Plan
Here is the detailed plan for the turner bit
STEP 8: Making the Cutter Bit Bracket
pic #1 , 2 shows milling the stock to make sure the edges are square
#3 Shows the milled slot for the carbide bit will sit.
#4 ,5 show the bracket milled to the proper thickness.
#6 Shows the 1/4 inch milled adjustment slots .
#3 Shows the milled slot for the carbide bit will sit.
#4 ,5 show the bracket milled to the proper thickness.
#6 Shows the 1/4 inch milled adjustment slots .
STEP 9: 1/4 and 3/8 Inch Threaded Knob Arbors
Here is the plan for the arbors for different size threaded knobs.
11 Comments
Tomahawk92 10 years ago
coolbeansbaby68 10 years ago
This is a 12 x 36 lathe .
vincent7520 12 years ago
but one question remains to be answered : how did you make the first knob as your tool handle ?
A bit like the chicken and the egg, I must say…
Great job.
Thank you !…
coolbeansbaby68 12 years ago
vincent7520 12 years ago
have a good afternoon (or so …in europe it's already 8:30pm)
coolbeansbaby68 12 years ago
www.redneckgadgets.weebly.com please leave a comment if ya like ..
Jim
pfred2 12 years ago
coolbeansbaby68 12 years ago
pfred2 12 years ago
heathbar64 12 years ago
one of those would make a really sweet shift knob.
I'm thinking I could use this idea with a wood lathe to make wood balls.
coolbeansbaby68 12 years ago