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Topic Review (Newest First)
12-23-2010 08:56 AM
oldred Since I posted that I got the chance to check them out and every one I looked at there at the store does indeed have that plastic bearing housing cap, some are a yellowish color and some are white but all are plastic. It remains to be seen however if this is going to be a problem but IMO I think it will be as I just don't see plastic standing up to the kind of beating that part takes.
12-23-2010 08:28 AM
Conrad_AZ
Quote:
Originally Posted by oldred
That's the one I am talking about but that pic shows what appears to be an Aluminum part on that one, or at least it is the same color as the rest of the box? Honestly the one I just bought has a yellowish colored plastic bottom on the gearbox, different factory maybe?
It could be a different factory. I will be back in Habor Freight country(Phoenix) in early January and was planning on doing some shopping there. I definately will check this out. It would be a shame if the screwed up on of my favorite tools.
12-18-2010 07:25 AM
oldred
Quote:
Originally Posted by Conrad_AZ
Isnt this the Chicago Electric 4-1/2" grinder? It looks the same and the specs seem to be the same. The price has gone up $3.00 but it still seems to be a good buy.

http://www.harborfreight.com/power-t...der-91223.html


That's the one I am talking about but that pic shows what appears to be an Aluminum part on that one, or at least it is the same color as the rest of the box? Honestly the one I just bought has a yellowish colored plastic bottom on the gearbox, different factory maybe?
12-18-2010 07:17 AM
oldred
Quote:
Originally Posted by Silverback
you know, I searched the site and couldn't find one that had a plastic gear housing... I thought I found it (black head) and the description clearly said that it was aluminum.


It's not the entire housing, just the bottom part that holds the main shaft bearing, the main gearbox housing is still Aluminum but that won't matter much if the plastic bottom part fails. I am sure any description will still say it is an Aluminum gear housing, I guess it could still be described as an Aluminum box- sort of anyway.


The "Drill Master" angle grinders are total junk right out of the box and they always have been! The biggest problem with them is that they used bushings instead of bearings but the whole thing is so cheaply built it is almost comical. Put any kind of pressure on one of those things and you will let the smoke out of the motor in a hurry, that is if you can get the gearbox to last more than a few minutes, don't bother with a "Drill Master" grinder even if they give them away for free!
12-17-2010 10:11 PM
Conrad_AZ Isnt this the Chicago Electric 4-1/2" grinder? It looks the same and the specs seem to be the same. The price has gone up $3.00 but it still seems to be a good buy.

http://www.harborfreight.com/power-t...der-91223.html

They also have this newer version which has a 6hp motor that looks good as well but it is priced much higher at $32.99.

http://www.harborfreight.com/power-t...tch-65519.html

I have 4 of the $16.00 orange ones and have only had one go bad - I was using a stripping disc on it and didnt have the disc centered well and it took the bearings out pretty quick. I also had a couple of the Drill Master 4-1/2 griders that I was using with wire rope wheels - neither one held up long.

I also have a 7" Chicago Electric grinder that I use with my shrinking disk and have not had any problems with it.
12-17-2010 08:10 PM
Silverback you know, I searched the site and couldn't find one that had a plastic gear housing... I thought I found it (black head) and the description clearly said that it was aluminum.

I have one that is probably 10 or more years old from them, orange with an aluminum head and the end of the handle is black that I really like but _I_ broke by clamping the head too hard in a vice to try use it as a stationary grinder. I still use it but I wouldn't trust it for heavy work.

I also one of their drill master ones that is fine, but not as high powered as others, then my "nice" one is a Rigid (back when they were re-badged metabos)
12-17-2010 01:31 PM
Arrowhead
Quote:
Originally Posted by oldred
The very popular 4" and 41/2" Orange Chicago Electric angle grinders that a lot of us have had such good success with just might be a thing of the past now. My oldest one finally went to a well deserved rest after years of use and abuse and many grinding discs so I stopped by HF to buy a replacement. What I found was apparently the same thing but now in a different color besides the familiar Orange which was no problem so I bought one only to find when I removed it from the box that the bottom of the gearbox housing is now made of plastic instead of Aluminum, this is the part that usually fails first! At least the gears inside fail but of the two I disassembled it looked as if the bearing starting to wobble in the housing caused the problem so this part needs to be fairly strong. This normally occurs only after a LOT of use and by the time it happens the whole unit is most times well worn anyway and has given many times the service it should for the $15 or so it cost but now I have to wonder if that will still be the case. I seriously doubt this plastic part is going to last any length of time and IMO the main shaft bearing riding in plastic is going to cause these things to fail quickly now so I have most likely bought my last one. This has been one shinning exception to a lot of the tools HF sells but with prices increasing as they have been and quality down (it has no room to go down without becoming junk! ) I think I personally will not be buying anything at HF anymore. It would seem that the few bargains and decent items they have are being down-graded to the junk they are known for instead of the poorer quality ones getting better. If that is new company policy I think it will backfire on them, at least I hope it does.
I also don't like the new switch, you press down to release and it happens accidentaly all the time.
12-17-2010 06:20 AM
Old Fool
Quote:
Originally Posted by Mike H
I have had good luck with my Milwaukee 4 1/2" grinders, they are not cheap but I have had the oldest one for about 15 years now and its still going strong.

Mike
Yes the old mil is a great grinder.
I have Dewalt D2840 and abuse it all the time, never lets me down.
12-17-2010 12:59 AM
dinger I talked to one of my buddies yesterday, he almost had his hand cut in two when the head shattered, and it was a brand new grinder from HF. He said he turned it on, started to grind, the head, not the stone, blew. Cut him across his stomach, halfway through the palm of his hand, and up into the wrist. He was bleeding terribly bad, they rushed him into the ER, stitched him up, now they have to cut him open (today) to get more pieces out of him. He was lucky enough to be wearing a heavy sweatshirt, it may have gutted him if not for that. I'll gather up some more info from him. He is going to sue. Dan
12-16-2010 08:22 PM
Mike H I have had good luck with my Milwaukee 4 1/2" grinders, they are not cheap but I have had the oldest one for about 15 years now and its still going strong.

Mike
12-16-2010 03:19 PM
oldred
New HF angle grinder

The very popular 4" and 41/2" Orange Chicago Electric angle grinders that a lot of us have had such good success with just might be a thing of the past now. My oldest one finally went to a well deserved rest after years of use and abuse and many grinding discs so I stopped by HF to buy a replacement. What I found was apparently the same thing but now in a different color besides the familiar Orange which was no problem so I bought one only to find when I removed it from the box that the bottom of the gearbox housing is now made of plastic instead of Aluminum, this is the part that usually fails first! At least the gears inside fail but of the two I disassembled it looked as if the bearing starting to wobble in the housing caused the problem so this part needs to be fairly strong. This normally occurs only after a LOT of use and by the time it happens the whole unit is most times well worn anyway and has given many times the service it should for the $15 or so it cost but now I have to wonder if that will still be the case. I seriously doubt this plastic part is going to last any length of time and IMO the main shaft bearing riding in plastic is going to cause these things to fail quickly now so I have most likely bought my last one. This has been one shinning exception to a lot of the tools HF sells but with prices increasing as they have been and quality down (it has no room to go down without becoming junk! ) I think I personally will not be buying anything at HF anymore. It would seem that the few bargains and decent items they have are being down-graded to the junk they are known for instead of the poorer quality ones getting better. If that is new company policy I think it will backfire on them, at least I hope it does.

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