X-axis drive train for Universal Dividing Head
I'm told that to cut helical gears (suitable for an automotive gearbox) on my old BP I will need a Universal Dividing Head coupled to the X-axis drive .... a coordinated dance between rotation and...
View ArticleBP gear box speeds are pretty close?
I started to pay more attention to speeds and feeds. I have been running speeds/feeds too fast. On common materials the speeds on the head and the feeds on the gear box come close to calculations from...
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J Head Clone - Auto quill feed issues
Folks, First post here. Looking for some input on a problem I'm having with the quill feed on a Diamond brand J head clone. Here is a rundown of my situation: - Purchased mill a few weeks ago and...
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J Head Clone - Auto quill feed issues
Hi Folks, First post here. I'd like to provide a little background on my problem and what I've done so far. Trying to get a better understanding of the mechanics of the auto quill feed on the j heads....
View ArticleHardinge HLV-G 440V to 230
Hi all Im attempting to convert a 57 HLVG from 440V to 230v. Ive got a Donor 78 HC that is being scrapped out that I just pulled the motor and will pull the entire electrical box off. My 57 seems...
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Bridgeport table and turcite help please.
Bought a 1977 Bridgeport to rebuild and replace my round column mill. Stripped it completely down and found .0030 turcite on the saddle. Also there is a milled section in middle of bearing area that...
View ArticleSanity check after variable speed head rebuild- relative sound volume of hi/lo?
I have a '74 Series I 2J2 w/ variable speed head. It came to me in nice but relatively unused/unmaintained condition. I just completed a rebuild of the top half of the variable speed head, using a...
View ArticleFIRST cv205 with fanuc
I've been offered a FIRST cv205 cnc mill, don't know much about the manufacturer. Anybody who can say some good or bad about it. Can't find much info on it.
View ArticleHlv-h 9 tpi?
Does anyone have to hand the gear setting for 9 TPI on an HLV-H I can work it out but... And, yes I know it's pushing the lathe to cut such a thread (I have a soft start mechanism for the threading...
View ArticleHardinge HC - spindle center to bed distance?
What is the distance from the spindle center to the top of the dovetail bed on a Hardinge chucker? All the literature I've been able to find simply says it can handle a 9" diameter fixture, but the...
View ArticleHardinge HLV-H cross-slide oiler repair
I find the one-way check valve on the oiler for the cross slide and carriage ways is blocked or jammed. I have tried flushing and ultrasonic cleaning but no success. Can the valve be stripped and...
View ArticleBroken brake: what all goes into getting at it?
The brake on my bridgeport at work was acting weird, sometimes it would not rotate, and the rotation the get the brake to engage was over half a turn. Well the roll pin let loose, I can pull the handle...
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Bridgeport bull gear bearings
I've recently acquired a almost unused 1992 Bridgeport. Unfortunately the top end bearings are shot rusted solid. Have noticed the bull gear bearings Item 71 seems to be a modified 6208 bearing.i can...
View ArticleBridgeport parts in EU
Hi. someone who knows a good place within the eu with good prices on bridgeport spare parts. Best regards volvo 140140 Skickat från min SM-N960F via Tapatalk
View ArticleBridgeport M head the truth please....
I bought a Bridgeport with an M head a few years ago and would like to upgrade to a 2j or a j head to get the advantages of the r8. I apologize if this has been answered before but I have not yet found...
View Articlemdi edit rejected
Has anyone run into this while programming a cobra42 with fanuc 21t? I am just trying to do a simple OD turn and it's throwing this error if I go back into the program to change anything, I can't make...
View ArticleFinally got the lathe of my dreams, now where to place?
I am new to the forum and look forward to learning a great deal here and maybe contributing as I learn. My Hardinge HLV-H shows up this week and I need to figure out how to place it. How much room...
View ArticleNeed help with ProtoTrak on my Bridgeport
Just got a Bridgeport that has the original ProtoTrak on it (uses tape drive). Downloaded the manual and trying it out. I'm trying to figure out how to mill a box as I have to do several of these as...
View ArticleBridgeport 412 interact
Ive been offered an 1992 Bridgeport 412 interact, its an old machine im told fully working. Im not familiar with an old machine like this any advice for someone with limited experience? good machine...
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BP quill power feed selector gears not mating
This is on a 2J head from a True-Trace (not actual photos). This mill has seen very little action as it came from a tool and die maker, not a production shop. EVERYTHING inside the housing is in first...
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