Drill Press Pulley Speed Chart

As always safety first make sure you use safety.

Drill press pulley speed chart. Jet step pulley and variable speed drill presses give you optimal control with spindle sppeds ranging 300 rpm all the way up to 5000 rpm. The drill press is a marko 1 c114. The original speed is 540 and we will be changing it to 1840. I plan to strip clean and repaint the machine and install new bearing all around.

Changing the spindle speed for a manual drill press requires physically adjusting belts between pulleys. When i open the top to access the belts the pulley belt chart is all but destroyed. Drill press speed chart recommended operating speeds rpm accessory softwood pine hardwood hard maple acrylic brass aluminum steel shop notes twist drill bits 116 316 14 38 716 58 1116 1 3000 3000 1500 750 3000 1500 750 500 2500 2000 1500 nr 3000 1200 750 400 3000 2500 1500 1000 3000 1000 600 350. How to change the speed of a drill press.

I need a new pulley for my 1940s era drill press but the manufacturer has gone out of business. Drill press with laser 44 out of 5 stars 583 cnbtr 16mm bore 54mm 150mm outter dia aluminum 5 slot a type v shaped pagoda pulley 5 step pulley belt 127mm belt width. In this example we have three pulley sets two belts on a jet drill press. For example if your small pulley is 80mm diameter and spins at 1000 rpm and you need to find the second pulley size to spin it at 400 rpm enter pulley1 80 pulley 1 rpm 1000 pulley 2 rpm 400 and hit calculate to find the second pulley diameter.

At the hardware store i found a four step pulley of similar size to the original but slightly different in diameter for each step. If you know any 3 values pulley sizes or rpm and need to calculate the 4th enter the 3 known values and hit calculate to find the missing value. This video will make it easy to tell if the press is in high speed or low speed. The drill press is a 12 speed model with 3 pulley sections.