Bosch GOF1300ce - problem keeping its power when routing - Router Forums
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post #1 of 11 (permalink) Old 05-30-2019, 08:33 AM Thread Starter
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Default Bosch GOF1300ce - problem keeping its power when routing

Hello,

I have a Bosch GOF1300ce which is a fine machine. But somehow it has problem keeping speed when routing. Even with a 8mm straight router bit and hardly pressing the machine forward, it struggles.

Does anyone know what the problem is? I mean, with 1300w, there is more than enough power to keep even bigger router bits going and holding the speed.
I checked a while ago- the brushes are ok. I'm very tempted to think the fault is within the control unit that controls speed.

Thanks in advance
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post #2 of 11 (permalink) Old 05-30-2019, 09:32 AM
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Welcome to the Forum...

I believe you are correct...speed control unit.

You might try taking it apart to make sure the sensor is clean of any fine sawdust and that all the wires are connected properly and not loose...

The sensor typically sits above the rear of the shaft and can be removed easily with screws. The sensor looks at the shaft spin to determine its speed.

Nick

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post #3 of 11 (permalink) Old 05-30-2019, 12:18 PM
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look to the brushes...

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If only new layers hadn't been added....

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post #4 of 11 (permalink) Old 05-31-2019, 06:08 AM Thread Starter
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look to the brushes...
The brushes are fine (last time I checked them). No sparks when starting router. Router goes quick to indicated speed.
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post #5 of 11 (permalink) Old 05-31-2019, 07:16 AM
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It may be what Nick said but a little die grinder of mine quit recently after doing something similar and it looked like a chunk had broken off one brush and caused the other to get chewed up in the aftermath. The speed control may also be faulty but I’ll have to replace the brushes first to find out.

Someone I consider a master woodworker once told me that a master woodworker is not someone who never makes mistakes. He is someone who is able to cover them up so that no one can tell.
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post #6 of 11 (permalink) Old 06-09-2019, 10:42 AM Thread Starter
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I actually found out what causes this problem. I ordered a new speed control, replaced the old one, and there were no difference at all. The old was not malfunctioning. What causes this is when I use a straight router bit, it's the debris that clogs up in its path. I tried a completly different bit; no sign of power loss while routing.
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post #7 of 11 (permalink) Old 06-10-2019, 11:35 AM
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What diameter bit were you using and how deep of a cut?

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post #8 of 11 (permalink) Old 06-10-2019, 02:22 PM
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If that's true Bj then up cut spiral bits would probably be your best choice. If I can I like to make a small groove with my table saw and then finish with the router. The saw groove makes a big difference as it gives some of the chips an escape path and it lets air get to the bit which keeps it much cooler.

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post #9 of 11 (permalink) Old 06-16-2019, 11:44 PM Thread Starter
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Quote:
Originally Posted by MikeMa View Post
What diameter bit were you using and how deep of a cut?
A simple straight bit 8mm, from a set distributed by Bosch I bought many years ago, on full speed cutting in oak! That said, I dont think its a proper Bosch quality, but something cheap chintoc, and maybe thats why it struggles - the bit is not sharp as required?

Last edited by BjGuillot; 06-16-2019 at 11:50 PM.
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post #10 of 11 (permalink) Old 06-16-2019, 11:46 PM Thread Starter
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Originally Posted by Cherryville Chuck View Post
If that's true Bj then up cut spiral bits would probably be your best choice. If I can I like to make a small groove with my table saw and then finish with the router. The saw groove makes a big difference as it gives some of the chips an escape path and it lets air get to the bit which keeps it much cooler.
Sounds like a very good idea to premake a path with a circular saw. I will try that next time ig same problem occurs with different dimensions!
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