Hello everyone. Not so long ago I made myself grinder, on it I rule, polish the surface and bring down the slopes. Sometimes you need to rearrange from large to small paper, frankly laziness, and so I decided to make myself another, but more simple and without troubles.
With two grinders it will be easier - no need to run to put one paper, then another. I sat thinking about what he should look like, looked at the metal reserves and figured out how everything would look.
And so we need engine, two pieces of profile 25x25mm, two tubes for 20mm, two bearings 20mm outer and 8mm inner, any tensile spring and a standard set of tools.
So here we go: I have a 220 V 200 W engine, with speed control
Now about the tube: a tube with an inner diameter of 10mm, thickness 3mm. I’ve got a pipe from an old non-working pump Aquarius, lying around idle and useful, and any one will do - the main thing is that it sits on the shaft
Now I step back from the edge of 3cm and drill a hole of 5mm. This is necessary for mounting the roller on the shaft. You can also make a groove on the shaft and the cotter pin, but I did not bother
Now stepping back from the edge, I drill a hole on the 5mm shaft, then I put the tube onto the shaft with a cotter pin nut
I need to make a stop so that the paper does not run off the rollers. I rummaged through nothing suitable. I found 4 scary washers, I have to cheat with them. And so I drill a hole in the washer under the tube and put the washer on the tube
Carefully weld the washer to the tube on both sides. I let it cool down a bit and grind it with a cutting disc, removing sharp edges
Well now it's time to assemble the frame. The shape and size of the frame does not play a special role. I took two pieces of profile 25x50mm
One piece will go to the consumable, from it I cut three pieces of 10cm
Now I weld pieces in the form of a square and weld to the profile, well, now the frame is ready
From a piece of 10cm tube I make a roller, I press bearings into it 20mm outer diameter, inner 6mm. From the edges to the tube I weld the washers, as on the first roller. I drill by 5cm indentation, drill a hole in the frame, put the roller on the bolt, insert it into the drilled hole and weld on the other side
Based on the design of his engine, I decided to fasten it to a bolt. I drilled, stepping back from the roller 15cm, I fasten the engine to a bolt. In the photo, the engine is in a distant position from the roller.
Well, our grinder is ready, you can use it.In the photo, the engine is in the near position from the roller after putting on the tape, we tilt the engine and fix it with the necessary belt tension
It’s just that I had a semi-finished knife lying next to it, it is necessary to polish it with goy paste. For such purposes, I have a thin kashma for paleting, I put on a grinder on the grinder and turn it on at the smallest speed - everything works and slowly added speed, somewhere I can’t optimally calculate the speed, but I selected the right speed
Well, friends, it's time to say goodbye, with the last word I want to say Thank you to the site for the fact that people like me are simple, just starting, but dedicated people do something do it yourself and earn. One thing offends me is that people write that you make a knife from bad steel, oh such steel is only suitable for spoons, oh I know all brands, and your knife is .... oh - I do not respect such people, but everyone has the right to your opinion. I understand that I do not have good steel, but why do I need it? to peel potatoes? Yes, I have jambs, but who did not study.