Making as Bat roller.
You will need someone who can weld and small amount of mechanical skills.
First you need about 24" of 1/4" x 4" Flat bar mild steel cut to 3 pecies 2@ 9" 1@ 6"(weld to shape a horseshoe, or U-shape). cut hole near bottom in-line for the 3/4" rod and roller
1 Peice of plate/flat bar 10"x10" (base). Weld large u-shape to base. (centered)
Next you will need 3 peices of 1/4" x 2" flat bar, two cut to 3" and 1 cut to 5" (weld to shap a horseshoe or U-shape). cut holes in-line for the roller. this will house the smaller inner roller. the top roller.
Next you will need 3 peices of 3/4" round bar, 2 cut to 12" each, 1 cut to 10". these are to make your handles for your rollers. welded to make a t-shape or handle
Then you will need 1 more peice of 3/4" threaded bar, cut to 12", also one nut to fit the threaded bar. nut should be 1-1/8" o.d. these are to use for your pressure rods. to apply needed pressure to desired bats. using the other 3/4 solid rod make a t-shape or handle. the rod needs to move up and down without turning the roller. so I recommend using a series of washers and housing the roller so that the rod moves up and down while spinnig but the roller only move up and down.
Two flange bearings 3/4" i.d. 2 bolt flanges. (you can get these at your local autoparts or bearing/hyd. shop)
Two Polyurethane or metal (metal not recommended) rollers 3/4" i.d. 2"to 2-1/2" o.d. 1 cut to fit inside the large horseshoe. the other cut to fit inside your small horseshoe. these are your pressure rollers. the large while stay stationary,on the bottom. the smaller will move up and down with desired pressure. the top roller.
some hardware to mount your bearings, and some pins, washers or bushings for your rollers. the roller on top needs to move up and down without rotating the roller. (straight up, straight down). the large roller stays put with the 3/4" rod just able to roll. applying pressure with the top roller and rolling with the bottom roller.
If you can picture a old clothes press, the ones they used for 'ringing-out' or washing clothes. basically two rolling pins sandwiching a bat, to break loose the molecules of the Baseball/softball bat walls. 'breaking in'.
thin material holes can be welded and ground flush, think material can be threaded and plugged. Bondo works, too.
Threaded inserts are installed securely and efficiently by first drilling a hole in the material, then using a tool to insert the threaded insert into the hole. The insert is then tightened into place, creating a strong and reliable connection.
To properly insert threaded inserts into a material, first drill a hole in the material that matches the size of the insert. Then, use a tool such as a screwdriver or a specialized installation tool to screw the insert into the hole until it is flush with the surface of the material. Make sure the insert is securely in place before using it for its intended purpose.
En 8 is used for manufacturing threaded parts. because hardness of En8 never goes above appr. 30-35 HRC
The recommended method for installing a 1/4-20 threaded insert into a material is to first drill a hole that matches the size of the insert, then use a special tool called an insert driver to screw the insert into the hole until it is flush with the surface of the material.
To install a threaded insert, first drill a hole in the material where you want to place the insert. Then, use a special tool called an insert driver to screw the insert into the hole until it is flush with the surface. This will create a strong and secure threaded connection for screws or bolts to be inserted.
Threaded inserts are installed in a piece of equipment by first drilling a hole in the material, then inserting the threaded insert into the hole using a special tool or machine. The insert is then secured in place by either pressing, screwing, or heating it to create a strong and durable connection.
ASTM A105 is a Carbon Steel material spec used in forged fittings, such as 2000# or higher socket weld or threaded fittings, forged flanges, etc.. ASTM A197 is a Malleable iron material spec used in 150# socket weld or threaded fittings.
A wood screw is used to fasten pieces of wood together by creating a threaded path through the material. A machine screw is used with a nut or in a pre-threaded hole to fasten metal parts together securely.
No deck is threaded it is the headset and the forks that can be threaded or threadless
PEX to threaded fittings are compatible with standard plumbing systems. PEX is a flexible and durable material that can easily connect to traditional threaded fittings commonly used in plumbing. This compatibility allows for a seamless integration of PEX piping into existing plumbing systems without the need for extensive modifications.
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