Grizzly H9816 Power Twist® V-Belt, 3/8" x 5' (T21991) Review

I replaced the standard "V" belts on my Powermatic model 66 (3HP) table saw with the Fenner link belts. The saw uses a pair of belts 3/8" wide by about 20" in length. [The belts run side by side, on double groove pulleys.] Fitting the belts was very easy. First by making the 2 belts from the 5' length, then installing them on the saw. I was pleasantly suprised to see how 'equal' in length both belts ended up, as both had near equal tension after adjusting. Better than the previous "V" belts, which one was tight and the other one loose. [Typical]
After some experimenting with tension, [These belts don't need much tension, they work well slightly 'loose'.] I have found these belts to be much quieter, and smoother running than the "V" belts they replaced. There is virtually no noise from the saw, except the whistle of the blade. Vibration is non existent.
As my other machines need belt replacements, they will be replaced with Fenner link belts. And finally: Purchasing through Amazon went perfectly.

Click Here to see more reviews about: Grizzly H9816 Power Twist® V-Belt, 3/8" x 5' (T21991)

Product Description:
Perfect for lathes, table saws, bandsaws and other woodworking tools. Smooth running with less vibration than solid belts. Power Twist® V-Belts can be customized in minutes to any size - just add or remove sections to fit your needs. Carry a Power Twist® V-Belt in your vehicle for a fix anywhere solution to broken fan belts.

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Powermatic 1791250 Model 1632 16-Inch 5 Horsepower Open End Belt Sander, 230-Volt 1 Phase Review

This open ended wide belt sander is a real gem of a machine.It's a tremendous upgrade from any drum sander. You can easily change sanding belts/grits quicker than 48" wide belt machine or any drum sander. The sanding belt guide system works well and acts as an oscillator to minimize scratch patterns. The 5 HP belt drive powers through just about anything but it's not a planer.

I compared this machine side by side with similar bargain brands and noted considerable differences.Powermatic pneumatic and electrical systems are first class.The belt roller support bearings are larger and can be greased.The table raise/lower is extremely accurate with a double reduction jack that moves the table only .014 per handle rotation.I have made veneer as thin as .030 thick +/- .005 tolerances.Other brands use a single reduction lifts that raise/lower approximately .120 per handle rotation.I am not sure how accurate or repeatable those other sanders are but the Powermatic is right on.Some of thebargain brands use a short length belt with a single contract point roller, that can lead to wood burning and belt filling/plugging like a drum sander.The Powermatic uses a shoe just like the expensive 48" models.I have yet to burn wood or plug the belt on this Powermatic

The optional digital readout helps get you to size fast but it is pricey.You may be able to find an after market digital thickness gauge for less.When you are close to the final size, send the board through the machine a couple times without raising the table height anymore.That works with any drum sander too.

I have used it for 5 years without problems.I added a Delta mobile base and replaced the front lift wheel with an angle iron to connect the lift/trolley from my Laguna bandsaw.I can easily move the sander into the middle of the shop to handle long broads.I also 3/8" tapped the end of the table lift hand wheel shaft and locked in a bolt, which lets me quickly raise/lower the table with a small impact driver.This is not the safest thing to do but I am a one man shop and very careful not to get it moving too fast.

One word of caution when changing the belt, make sure to get the sanding belt in between the guide control fork in the rear of the machine.Failure to position it right will destroy a belt in seconds.Don't be in a hurry, open the back of the machine and double check it!

Click Here to see more reviews about: Powermatic 1791250 Model 1632 16 Inch 5 Horsepower Open End Belt Sander, 230-Volt 1 Phase

Product Description:
Includes 1632 Open End Belt Sander - 1791250, Emergency Rail Stop, Emergency Stop Button, Dust Collection Port, 17" x 54" Sanding Belt

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Powermatic 1791269K Model 1632 7.5 Horsepower Open End Belt Sander with Digital Readout, 230-Volt/460-Volt 3 Phase Review

This open ended wide belt sander is a real gem of a machine. It's a tremendous upgrade from any drum sander. You can easily change sanding belts/grits quicker than 48" wide belt machine or any drum sander. The sanding belt guide system works well and acts as an oscillator to minimize scratch patterns. The 5 HP belt drive motor powers through just about anything but it's not a planer.

I compared this machine side by side with similar bargain brands and noted considerable differences. Powermatic pneumatic and electrical systems are first class. The belt roller support bearings are larger and can be greased. The table raise/lower is extremely accurate with a double reduction jack that moves the table only .014 per handle rotation. I have made veneer as thin as .030 thick +/- .005 tolerances. Other brands use a single reduction lifts that raise/lower approximately .120 per handle rotation. I am not sure how accurate or repeatable those other sanders are but the Powermatic is right on. Some of the bargain brands use a short length belt with a single contract point roller, that can lead to wood burning and belt filling/plugging like a drum sander. The Powermatic uses a shoe just like the expensive 48" models. I have yet to burn wood or plug the belt on this Powermatic

The optional digital readout helps get you to size fast but it is pricey. You may be able to find an after market digital thickness gauge for less. When you are close to the final size, send the board through the machine a couple times without raising the table height anymore. That works with any drum sander too.

I have used for 5 years without problems. I added a Delta mobile base and replaced the front lift wheel with an angle iron to connect the lift/trolley from my Laguna bandsaw. I can easily move the sander into the middle of the shop to handle long broads. I also 3/8" tapped the end of the table lift hand wheel shaft and locked in a bolt, which lets me quickly raise/lower the table with a small impact driver. This is not the safest thing to do but I am a one man shop and very careful not to get it moving too fast.

Click Here to see more reviews about: Powermatic 1791269K Model 1632 7.5 Horsepower Open End Belt Sander with Digital Readout, 230-Volt/460-Volt 3 Phase

Product Description:
Belt Size (in.) 17 x 54 Belt Speed (SFPM) 2200 Brand Powermatic Compressed Air Requirements @ 5 atm (PSI) 4 CFM DRO yes Dust Collection Minimum CFM Required 800 Dust Port Diameter (OD/in.) 4 Feed Motor HP 1/4HP Head Configuration combination Height 66 inch Length 40 inch Minimum Board Length (in.) 13-3/4 Motor HP 7.5HP Motor Phase 3PH Motor Voltage 230V Net Weight 996 pound Overall Dimensions 40 x 29 x 66 Part Number 1791269K Prewired n.a. Ship Weight 1106 pound Web Description 1632 Open End Sander, 7.5HP, 3PH, 230V/460V with DRO Width 29 inch Working Thickness (in.) 5 Working Width (reversing stock/in.) 16 (32)

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