It does a good job but is a bit of a palaver to use. Simple Paint ball Bazooka It actually works pretty well if you use at least 100 psi in the air tankIt shoots about 24 paint balls at a time.
With the floating reamer holder that I use the Sinclair case holder tightens on the reamer shank and then the reamer shank floats inside the tube that pushes the reamer forward as it cuts the chamber.
Floating reamer holder plans. The Holder works when stationary and cannot be used in the. Like our other floating reamer holders the PTG Standard floating reamer holder features interchangeable boring head arbor system for straight shank Morse Taper boring head arbors. The thread with the video of the self-aligning reamer holder made me resurrect a plan I had.
1 - Bald Eagle Handle. Its simply a spindlebearing arrangement that is locked and un-locked with a primitive dog clutch. This design allows you to use the same floating reamer holder with Straight Shank CNC.
Since this reamer holder is hands-on it is the best to use for Benchrest BR chambering application. I bought and made one a few years ago. Building a Floating reamer holder from Hemingway kitsLink to the kit.
I posted a pic of a floating hex-die holder recently. In this video I make a Floating Reamer Holder to improve accuracy when reaming holes to be a good fit with a shaft. While these arent big clearances take that short 12 long bushing with the clearances inside and out and place it in the end of a barrel only as deep as the bushing.
Tools used are Isccar turning holder SWAPR-1414-06 with WPEX 060402R08 carbide inserts for turning to a right angle. Lathe chuck jaws are seldom parallel to the spindle. If I did not use a floating reamer holder I would do my chambers like Mike Bryant of Bryant custom guns.
The original design used a simple ball valve as a trigger and I decided that it would look more realistic if the bazooka looked more like a real one so I designed the inline valve system for it. The free moving ball bearing drive allows reamers to follow the existing drilled hole for high quality work. The MT3 taper is 0938 inches at the largest end.
Could be used for synchronized tapping operations on lathes and CNC machining centers. MT1 reamers typicall cut diameters of between O18 - 916 O3 - 14mm and MT2s from O916 - 1516 O14 - 24mm. ER Collet Floating Reamer Holders.
Click on the links to find out more. Price List Floating Reamer Holders Floating Reamer Holder Warranty Bushing Sets Headspace Gauge Interchangeability Shop Tolerances Speeds and Feeds Classic Order Form Blank Rimless Print Bla. In fact angular misalignment is the more common problem.
They are ground all over and hardened with only a thin case that can be machined away to suit our Floating Reamer Holder. The Bald Eagle floating reamer holder is a 2 piece floating reamer holder that is hands-on. Most correct for misalignment by allowing the reamer to float and follow the existing bore but only few allow angular misalignment correction.
I think you will find the better rifle builders are all today using some form of floating reamer holder and piloted reamers. This allows for a greater accuracy and alignment than other forms of reamer holders. One of the objects of the invention is to provide a tool holder which is organized to support the cutter blades in such a manner as to facilitate the withdrawal of the reamer from the work without scoring or engraving a line in the finished bore thereof.
Looking for Omega Measuring Machines click here 101 Perinton Parkway Fairport NY 14450 Phone. There is always wiggle you cant have zero wiggle. That design could easily be adapted to a floating reamer or tap.
Nothing like the video subject aside from the means of allowing movement though I did not make it with a cone nor the ability to freeze it and it has a fixed amount of movement about 18 to25 thou in any direction. The Floating Reamer Holder will compensate for up to 030 tailstock mis-alignment. The instructions were excellent and I did not experience any problems making it.
We all know the importance of floating reamer holder. I looked at a few commercial models. Accepts 716 Diameter Shanks.
Hemingway Kits sell a kit for a floating reamer holder. Nonetheless your tailstock should be aligned as closely as possible with the headstock axis to minimize the float needed to maintain alignment in your barreling work. JGS is a high end tooling manufacturer that specializes in chambering reamers go and no go gauges function gauges rifling buttons and other specialty tools used in the firearms manufacturing space.
As with all true floating reamer holders the Bald Eagle floating reamer holder allows for the free movement of a floating reamer in 3 directions vertical horizontal and angular. Below you will find relevant information and downloads pertaining to JGS Precision products. Vertical horizontal and angular as required for proper performance of any floating reamer.
The floating reamer holder will allow correction for the spindle bearing runout. Holder is designed to allow free movement of a floating reamer in 3 directions. This invention relates broadly to floating reamers and more specifically to improvements in the cutter holders therefor.
All in all an easy lathe project with a small bit of mill work for the clutch. The PTG Standard floating reamer holder is for reamers with a 716 shank. Through the shank coolant capability.
This can hold MT2 reamers with MT2 tailstock. Now go to the end of the reamer and see how much wiggle there is. It takes care of one variable in the proc.
