Revised Question: Adler 367 Versus Consew 206Rb-3

[georgeandgracie]

So tell me, guys, would you have bought the Adler 367 for leather sewing?

When I was asking the night before I had to make the decision, I got the impression that the Adler would be too fast. The seller himself is parting with it for that reason: it worked when he was doing sheepskin aprons for saddles, but not now that he has switched his focus to wallets and purses. My own intentions lean more toward the wallets-and-purses scenario.

[CowboyBob]

The motor controls the speed,we always put a servo on them & you can go as slow as you want.

Edited May 10, 2013 by CowboyBob

[RoyalLeatherDesigns]

I would have bought the Adler no questions asked. That Consew is made in china and and Adler is a well German made machine. I think the Adler would have gone slow enough for what you have wanted it to do if it was still equipped with the Efka motor but then again you would need a 220 outlet

[ELeBlanc]

What about the "self oiling" aspect for a used 367? I'm looking at a used one that has been used in a factory for years. Is this a concern?

[Wizcrafts]

What about the "self oiling" aspect for a used 367? I'm looking at a used one that has been used in a factory for years. Is this a concern?

Everything depends on whether or not the oil pump can get the oil to the extremities of the wicks. If for some reason the wicks get dried up, the bearings and cranks at the end of the wicks may run dry. Also, even if the oil system is still fully functional, the moving parts will certainly have a lot of slack after running in a factory setting. I would ask to see the machine in operation before buying it.

According to the spec sheet, to fully distribute the oil, the machine must be routinely run at 2800 stitches per minute. Some home sewers with self-oilers will do this before sewing and while winding bobbins. Once the oil flows through the wicks, you can slow down to about 10 to 15 stitches per second (600 - 800 rpm) and the oil will persist until you let the machine sit idle for the night.

[TinkerTailor]

Everything depends on whether or not the oil pump can get the oil to the extremities of the wicks. If for some reason the wicks get dried up, the bearings and cranks at the end of the wicks may run dry. Also, even if the oil system is still fully functional, the moving parts will certainly have a lot of slack after running in a factory setting. I would ask to see the machine in operation before buying it.

According to the spec sheet, to fully distribute the oil, the machine must be routinely run at 2800 stitches per minute. Some home sewers with self-oilers will do this before sewing and while winding bobbins. Once the oil flows through the wicks, you can slow down to about 10 to 15 stitches per second (600 - 800 rpm) and the oil will persist until you let the machine sit idle for the night.

How are these oil pumps commonly driven? like could they be overdriven to bump the psi at low stitch rates with a pulley change or something?

[Wizcrafts]

How are these oil pumps commonly driven? like could they be overdriven to bump the psi at low stitch rates with a pulley change or something?

They are driven by gears inside the machine. no pulley change can override the oil pump gears. They pump most efficiently within their specified speed ranges. The machine in this topic says 2800 spm in the specs. It was made to sew rather fast. The target buyers are auto upholstery and heavy garment makers. They are often sewed flat out, pedal to the metal, on clutch motor driven machines, geared high.

Torque doesn't even enter into it when all you have to penetrate is garment or upholstery leather or denim.