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Pat
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Delta Continuously variable speed drill press
06/24/05 11:35 PM
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A while back I mentioned that I had a problem with a Delta DP350 continuously variable speed drill press. Well after the Porter-Cable/Delta merger they finally got their wherehouse shipping again...then after a back order of parts to them they shipped me out my free fixit kit. The parts were shipped to me free by second day UPS. Mind you I called them and gave then the model and serial and nothing else. We had not registered the unit for its warranty.
I got a new variable pulley for the motor shaft, a new power transmission belt, new keeper, new spring, new spring cap...all for free. Actually they sent me two springs but only one can be used. I did have to recycle a couple set screws.
I called their 800 number for assistance since the manual doesn't tell you how to change the V belt and it was trapped behind some complicated speed control cam stuff. They told me to mark a nut, remove it, swap belts, and put the nut back were it had been. As I had already removed the nut that info was a tad time late. The help guy looked up the engineering speck and told me 1.25 inches from end of shaft to where the nut touches the pulley and that was easy to do with my dial calipers.
Unit functions really well and I was using it today.
I give a big THUMBS UP to porter-Cable/Delta for their customer care service. This is my wife's drill press (I simply must show her how to use it someday...) Here drill press is much easier to use than mine (HF) when it comes to shanging speeds. Hers requires just a twist of a knob to vary the effective "gear ratio" between the motpor shaft and quill. The traditional Harbor Freight unit is 16 fixed speeds adjusted with two belt changes on three pulleys. The Delta has a nice goose neck lamp that can be positioned as needed according to what you are doing. The HF unit has a fixed lamp position (not a realy good one either.) The Delta is a bench top unit but I have mounted it to its own stand and it is slightly higher up than the HF unit (good for my height, 6'2")
The drilling depth adjustable stop is much easier to use and adjust than on the HF unit. The stop on the HF works fine but isn't so convenient or easy to use as the Delta unit.
The Delta chuck key is a bit "funny" as it has a little spring loaded pin that sticks out of the pin that plugs into the three holes of the chuck. You have to push in against that spring and then turn the chuck key. I have absolutely no earthly idea what that "feature" is supposed to do better than the simple keys we are all used to using.
You are supposed to take out the 6 screws that hold the top cover to access the two shafts so you can oil them a few drops in each. This is the weekly maintenance. I think I will drill a couple holes in the top cover and install small tubes directlly over the hollow shafts. small covers on the tubes will exclude debris and the weekly oiling will not neccessitate removing and replacing 6 screws (two of which are inexplicably sheet metal screws rather than machine screws like the other four.)
Given what I have seen in the market place and the associated prices/quality, I have no problem advocating this unit as a good medium duty drill press.
 Pat
"I'm not from your planet, monkey boy!"
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SimS
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Re: Delta Continuously variable speed drill press
[re: Pat]
06/25/05 06:03 AM
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Sounds like you have a nice drill press. The "springy" chuck key is to prevent leaving the key in the drill chuck and flinging it across the shop when you turn on the drill press. Basically the lawyers are helping out by keeping us off our hands and knees looking for lost chuck keys under the work bench.
Sim
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Re: Delta Continuously variable speed drill press
[re: SimS]
06/25/05 06:04 PM
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In reply to:
looking for lost chuck keys under the work bench.
OR in somebody's eye! 
Pat, good to hear good things after the merger. I was a bit worried about it...
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Pat
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Re: Delta Continuously variable speed drill press
[re: SimS]
06/27/05 07:08 AM
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Did you ever see the poster of the OSHA approved cowboy? The horse was draging a pooper scooper, the saddle had a roll bar, there were turn signals, and on and on and on...
I thought the spring thing was yet another "SAFETY" thing. Now when you buy a tool from HF you get a 10 page manual with 8 pages of warnings about wearing safety glasses and such.
People tend to judge the world from their own mindset. Apparently, judging fron the product liability stuff, many lawyers would have trouble pouring pee out of a boot unless the instructions were written on the heel. I can recall a tube of model airplane glue with compliant instructions on it including "NOT FOR INTERNAL USE" but the manufacturer went a step further and added the comment, "and we don't know why anyone would."
Pat
"I'm not from your planet, monkey boy!"
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egon
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Re: Delta Continuously variable speed drill press
[re: Pat]
06/27/05 05:03 PM
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Pat:
out of a boot
Now just to fill the boot may involve a whole new concept as well as were the boot is upended!!
Egon
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CJDave
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Re: Delta Continuously variable speed drill press
[re: Pat]
06/27/05 05:48 PM
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 Now Pat,.......they are just trying to help you stay healthy and undamaged by preventing a few of those those little shop "insults" that we all know about, like "Bridgeport Finger".....YEOW! #*#@//!!!.....for example. 
CJDave
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Pat
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Re: Delta Continuously variable speed drill press
[re: CJDave]
06/27/05 09:00 PM
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OK, DAve... I'll bite... What is Bridgeport finger?
I know about Garand finger (admisisterd by an M1 Garand bolt) although I have avoided it so far.
Pat
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Re: Delta Continuously variable speed drill press
[re: Pat]
06/28/05 12:00 PM
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"Bridgeport Finger" is actually quite similar to "Grand Thumb". When you get either one, your learning curve gets understandably steeper all of a sudden. Bridgeport finger occurs when you use a 3/4" combination box-open end wrench to tighten the collet in a Bridgeport Milling machine. Then you forget to take the wrench off the collet stem nut. Then when you reach up and flip the switch to start the Bridgeport, the wrench swings in an arc and smacks your finger and pins it against the switch.   
CJDave
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Pat
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Re: Delta Continuously variable speed drill press
[re: CJDave]
06/29/05 11:01 PM
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Dave, I think I would rather take my chances with the Garand rifle. Better the devil you know...
Pat
"I'm not from your planet, monkey boy!"
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GaryM
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Re: Delta Continuously variable speed drill press
[re: Pat]
06/30/05 08:04 AM
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You're supposed to hold on to the bolt hook! I no longer own a Garand, but I do have a Ruger Mini 14. As it has a detachable magazine it's not an issue.
Gary
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Pat
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Re: Delta Continuously variable speed drill press
[re: GaryM]
07/05/05 09:29 PM
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Gary, Having heard the horror stories from some ROTC guys and regular army retirees as well, I have been careful and have not got hit...yet.
Pat
"I'm not from your planet, monkey boy!"
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GaryM
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Re: Delta Continuously variable speed drill press
[re: Pat]
07/07/05 12:33 PM
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After your post about Garand Thumb, I did a search to refresh my memory. If the bolt is pulled back all the way, there are no problems. But if you open the bolt only far enough that it catches the magazine follower, it will try and close on your thumb when you depress said follower. Then you might be depressed yourself! My thumb won't fit into the chamber. Must be the wrong size!
Gary
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Re: Delta Continuously variable speed drill press
[re: GaryM]
07/07/05 07:38 PM
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Now Gary, I have to tell you that I have never personally OWNED a Garand, but it was always my understanding that the rifle bolt stayed open after the last round was fired, and the enbloc clip had systematically popped out of the gun with a definite S-P-R-i-N-G-G-G.....letting everyone within earshot know that you were holding an empty weapon. THEN you inserted a fresh clip and as you pressed it into place it unlatched the bolt and the bolt went forward....taking the top cartridge off the clip and catching your thumb too if you weren't careful. I have seen photo after photo of Marines cramming a fresh clip into an M-1 and they always have their thumb and fingers parallel, with the thumb pressing the clip down and the stiffened fingers blocking the forward movement of the bolt ear. It also helps to have a cigarette hanging out of one corner of your mouth and a sort of a half-grin, half-sneer; kind of expression; about what you'd have if you had just popped a pesky sniper out of a palm tree on Tarawa.
CJDave
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Pat
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Re: Delta Continuously variable speed drill press
[re: GaryM]
07/07/05 08:38 PM
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Gary, Whatever it is or however caused, I have managed to not have it GET me so far. Luckily I bought this Garand in new unfired condition so the action is not worn and prone to releasing the bolt as some "high mileage" units can do. I can recall the "range" guns we had in the USAF for our frequent small arms quals (Think SAC and Curtis "Nuke 'Em" LeMay.)
Typically when down range patching targets with all weapons on the firing line supposedly with magazines removed and actions locked open... you'd hear the distinctive sound of a bolt slamming home as if some turkey just loaded a round. This made several of the cognoscenti (down range) a bit nervous. Of course it was always just one of the well worn units releasing the locked back bolt on its own recognizance. Change of temp due to sunlight, an ant sneezed, misdirected psychic energy or ... STUFF happens.
The offending weapons were the .30 cal semi-automatic, gas operated M1 carbine, AKA pop gun, a wonderful alternative to hand to hand combat when functioning and a pretty good club when not. I am extrapolating from that experience and assuming a similar situation with well worn mechanisms in the Garand.
For all you carbine lovers out there, I'm not really being too harsh and with good controlled expansion bullets this makes a great "brush gun" for going after porkers.
Pat
"I'm not from your planet, monkey boy!"
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Pat
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Re: Delta Continuously variable speed drill press
[re: CJDave]
07/07/05 08:53 PM
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Dave, In the European theater where Garands were typical (a lot of marines in the Pacific had carbines, including Tarawa) some vets I talked to said they developed a "trick" using the common knowledge the enemy had of the clip being ejected quite a ways up. They'd pop off a few rounds and toss an empty clip up into the air and then tried to suprise anyone sticking their head up to exploit the empty Garand advantage.
I wasn't there but do you suppose you could here the clip ejected above the sounds of battle?
P.S. The drill press is still working very well.
Pat
"I'm not from your planet, monkey boy!"
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Re: Delta Continuously variable speed drill press
[re: Pat]
07/08/05 04:52 AM
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A long-time friend of ours who was a marine in the PTO told me about the day when they had a bunch of replacements come up to their position, and each guy had two M-1 Garands; one to shoot and one to give away. They had their gun training right there on the line, and soon parked their '03-A3 Springfields in favor of the increased firepower of the Garands. They had been hacking it out with the same enemy force for about two days so it was a big surprise to the enemy when they still had three rounds left after the enemy had counted 1-2-3-4-5 and stuck his head up. RE: Drill Presses...... The import that I bought a year ago at an auction and reworked has been a pleasure to use. It was one of the early imports that was reasonably OK, but had some design flaws in the drive system and also needed a reverse real bad. Pat, does your continuously-variable speed drill press use a vari-speed motor? OOPS! I just looked back at the thread and I can see that the drive is apparently a vee belt with squeezable pulleys to effect the different drive-driven ratios.
CJDave
Edited by CJDave (07/08/05 04:55 AM)
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Pat
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Re: Delta Continuously variable speed drill press
[re: CJDave]
07/09/05 08:16 AM
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Dave, The Garand was and is one fine piece. The only improvements I would like are a better way to mount a scope and a removable magazine.
The speed adjuster is a mechanical arrangement. There is a rotary adjustment on the front of the press that resembles the handles that lower the quill but is scalled down. This rotates a cam that forces two pulley halves closer together which makes the V belt run in a wider diameter at the quill end of the system. As the belt does not stretch to accomodate the change the pulley at the other (motor) end is spring loaded to maximum diameter and is forced to let the pulley run closer to the center by pulley belt tension. When you turn the speed adjuster one way you force the belt to change the motor's pulley diameter. Turn the speed control the other way and the motor pulley's spring does the reverse. It is a pretty straight forward CVT (Continuously Variable Transmission) arrangement such as has been used in various ways for quite a while.
With the re-engineered parts installed it seems to work fine and is so very much more convenient than my 16 speed Harbor Freight floor model which requires fussing with two belts and an idler pulley to effect speed changes. I am much more likely to use the right speed when it is easy to get.
I don't really NEED two drill presses like I don't really NEED multiple cordless drills but it sure is handy to be able to have a couple diferent bits installed so you don't have to be constantly changing bits in certain operations. Yeah yeah... I know, if you plan ahead you don't have to do that. HOGWASH When you are not in "PRODUCTION MODE" and are prototyping or similar you NEED to go back and forth a lot.
Pat
"I'm not from your planet, monkey boy!"
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Re: Delta Continuously variable speed drill press
[re: Pat]
07/09/05 08:23 AM
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Gary, That's how Pat gets to stay in shape. Just one walk end to end of his shop and it's time sit down for a rest.
In reply to:
NEED to go back and forth a lot.
Egon
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Pat
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Re: Delta Continuously variable speed drill press
[re: egon]
07/09/05 08:54 AM
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Egon, Sorry but you have made two unwarranted and incorrect assumptions: 1. Pat is in shape and 2. that the drill presses are well separated. They are sitting side by side (so far.)
Pat
"I'm not from your planet, monkey boy!"
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Re: Delta Continuously variable speed drill press
[re: Pat]
07/09/05 04:16 PM
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Well, you did say go back and forth Pat.
Never would I question your contioning after the months of house building you have been engaged in; but , surely it will require a travel plan just to get across your shop. I was thinking of mine where I can only stand in one spot to reach all.
Egon
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Re: Delta Continuously variable speed drill press
[re: egon]
07/09/05 04:44 PM
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Egon,
It's my understanding that only members of AAA can visit Pat's house. They are the only ones able to get the AAA TripTik required to find one's way around. Just show your membership card at the nearest AAA office when you cross the border into OK and they will furnish the TripTik. 
I'm pretty sure that members of the Canadian equivalent are also welcome.
Gary
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Re: Delta Continuously variable speed drill press
[re: GaryM]
07/09/05 05:23 PM
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Thanks for the information Gary
Egon
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Pat
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Re: Delta Continuously variable speed drill press
[re: egon]
07/09/05 09:46 PM
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Egon, I reread the post that confused you. It was ambiguous in the part about going back and forth. I meant back and forth between different bits or the like as opposed to having multiple units each with a bit so as to reduce tool changes. I didn't mean back and forth across the GREAT DISTANCES ENCOUNTERED IN THE VAST EXPANSES OF MY SHOP!!!
My wife has removed my microwave and put it in the kitchen today.  Next she will take my little dorm room sized frige and its convenient cold drinks and spirit it away to the kitchen.
I did so like to be able to find refreshment while treking across those unimaginably long distances between various tools/workstations.
I have a plan to thwart that maniacle posibility... I'll haul down and install one or both of the friges.
Pat
"I'm not from your planet, monkey boy!"
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Re: Delta Continuously variable speed drill press
[re: Pat]
07/10/05 05:02 AM
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In reply to:
I have a plan to thwart that maniacle posibility
There is no plan when " She Who Must Be Obeyed " is involved.
Just do as you are told for peace of mind !
Egon
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Re: Delta Continuously variable speed drill press
[re: egon]
07/10/05 08:24 AM
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Egon, I like to think of it as "SHE WHO MUST HAVE THE ILLUSION OF BEING OBEYED!"
Pat
"I'm not from your planet, monkey boy!"
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