Super Mini Lathe belt problem

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Super Mini Lathe belt problem

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  • This topic has 30 replies, 14 voices, and was last updated 8 May 2021 at 21:30 by not done it yet.
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  • #414185
    andrew lyner
    Participant
      @andrewlyner71257

      My super mini lathe belt kept slipping under load (that grating / squealing noise). Adjusting the two mounting bolts would tighten the belt but it would just go slack again after any load was applied. It even made the noise on start-up. I was cross enough to take off the motor and spotted the problem. Two of the mounting screws for the adaptor / base plate were missing (holes would not allow fitting).

      The plate was swinging out enough to strip the threads on the mounting bolts in the threaded holes in the (inadequately thin) plate – so that's useless too, now. It looks as though the motor holes were drilled wrongly in the first place; all a bit of a dog's dinner, really.

      Warco have been very helpful and will send me a replacement motor (I can't wait) but it shows the effect of poor quality control. But we shouldn't grumble because, without those compromises, many of us would not own a lathe at all.

      Fault finding can be enjoyable too!

      lathe motor.jpg

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      #13559
      andrew lyner
      Participant
        @andrewlyner71257
        #414200
        Former Member
        Participant
          @formermember53456

          [This posting has been removed]

          #414224
          andrew lyner
          Participant
            @andrewlyner71257
            Posted by Haggerleases on 14/06/2019 15:10:00:

            Good grief, is that what Warco are peddling?

            Interesting that the replacement motor has an altogether better finish with smaller countersunk heads – showing that the holes were drilled in the right places.

            Can't fault Warco on response time. The new motor was delivered just over 24hours after my email to them.

            I think your term "peddling" is a bit loaded. If we pay peanuts then there will be the occasional monkey situation. These Chinese machines are very cheap and that always carries a risk. Caveat emptor always applies.

            #414238
            An Other
            Participant
              @another21905

              Wasn't it possible/cheaper to make up a new base plate which fitted?.

              #414242
              Former Member
              Participant
                @formermember53456

                [This posting has been removed]

                #414252
                mark costello 1
                Participant
                  @markcostello1

                  Fault finding IS fun, as long as it's Some body else's fault.

                  #414256
                  SillyOldDuffer
                  Moderator
                    @sillyoldduffer
                    Posted by Haggerleases on 14/06/2019 18:24:47:

                    I thought as a country we'd moved on from accepting shoddy crap like this when we stopped buying British cars, but now the Chinese are wearing the Donkey jackets…

                    I weep for the future.

                    It's the Ryan Air model; dreadful reputation but most of the time they get you were want to go cheap!

                    Don't forget these are Hobby Lathes, built down to a price for a rather small customer base. It's perfectly possible to buy much better machines from China and elsewhere. Few hobbyists do, because they are 5 to 20 times more expensive!

                    Thing is, if you are unlucky enough to get a dud, a British seller will stand behind the sale. In this case Warco supplied another motor, it's not unknown for entire machines to be replaced or money returned. Given that new 'quality' machines are unaffordium, the beginner either takes a small risk on a new hobby lathe, or a bigger risk on a second-hand professional machine.

                    Satisfied with my Far Eastern machines. May not be excellent compared with big money purchases, but they all do what I want.

                    Dave

                    #414271
                    Former Member
                    Participant
                      @formermember53456

                      [This posting has been removed]

                      #414283
                      Ian Skeldon 2
                      Participant
                        @ianskeldon2
                        Posted by Haggerleases on 14/06/2019 20:37:00:

                        Perhaps what they say is true, a Chinese lathe at this price is a kit of parts. Sad though. 1000? years of development of this tool and this is where we're at? Really?

                        Well as you have mentioned it, yes it is where we are at, however all is not lost in fact it's better than it ever was. Many, many years ago I wanted to own my own lathe, an engineering company were selling a couple of old Herbert's, even though they were well worn and very basic they wanted almost a years salary for them, (I was in my last year of apprenticeship so my salary wasn't great). Move on to where we are now and I can engage a few places who can discuss my needs (wants more than need) and then sell me a new lathe suitable to my requirements. It might not be up there with the best available, but look at the cost of a British lathe similar in function, (say a new Myford) I couldn't justify such a purchase even if I could afford it.

                        Hopefully the OP will get many years of use and enjoyment from his lathe and he knows that Warco are there to help if needed.

                        #414287
                        old mart
                        Participant
                          @oldmart

                          It's nice to know that a British importer stands behind their products, well done Warco.

                           By the way, if you make a note of the number on the belt, you can get a replacement easily.

                          Edited By old mart on 14/06/2019 21:15:57

                          #414310
                          Former Member
                          Participant
                            @formermember53456

                            [This posting has been removed]

                            #414312
                            not done it yet
                            Participant
                              @notdoneityet
                              Posted by Haggerleases on 14/06/2019 22:57:15:

                              Well done Warco for passing on a pile of crap for quick profit. They'll be gone soon, I guarantee it. You can see it coming.

                              I don’t like bang good, for a very good reason – they sell cheap stuff but have no customer service when the goods are really rubbish (which they often are?)

                              Why do you dislike Warco?

                              #414365
                              Ian S C
                              Participant
                                @iansc

                                My answer to quality complainers is if you can make for the same price at better quality why are you not doing it. Admittedly quite a bit of the price goes to the retailer in mark up.

                                Ian S C

                                #414385
                                Howard Lewis
                                Participant
                                  @howardlewis46836

                                  Warco have been in business for a long time. Not all that they sell is faultless, but they are willing to try to right matters if there is a problem, even to replacing complete machines.

                                  Statistical Quality Control, as per Deeming, depends up on how many standard deviations you want your product to fall within. Even if you go for 3 standard deviations, which is about the best that you can get, there can still be a small percentage falling outside the specification.

                                  If you elect to hand build every unit, you may well get even bigger differences from item to item

                                  Steam locomotives were hand built by craftsmen, but unless it was G W R, direct interchangeability of parts was nigh on impossible.

                                  You can make any machine virtually perfect, if you resort to such methods, but they are slow, and therefore costly, and the parts are likely to be unique to that machine.

                                  The skill is in design, and manufacture, such that almost 100% of machines meet the specification. You will always get a small percentage that fall at the ends of the Gaussian distribution, (Bell Curve ). Hopefully, Inspection will spot the batches that do not comply and reject them before assembly.

                                  With our hobby facilities, we cannot hope, nor wish, to produce thousands of interchangeable parts and consistent complete assemblies..

                                  The above may be a difficult concept to grasp if you have no experience of high volume production. But producing large numbers of complicated machines that meet specification depends upon a variety of skills and disciplne. NO it is meant to be singular (BS 5750 and it's succesor, ISO 9000, for instance )

                                  We've all heard of Friday afternoon cars, haven't we? Sadly, some may have experienced them. They are ones where the process failed. Think of the number of components in the modern car, and wonder that so many cars work so well, for so long. Japanese cars showed, via an American's methods, and still do, the way for other manufacturers.

                                  Mass production lives on "Fitness for Purpose", so that most do what they are intended to do.

                                  Howard

                                  #414398
                                  andrew lyner
                                  Participant
                                    @andrewlyner71257

                                    This thread has some very angry comments. That's surprising when you think that there are so many mini lathe users who get pleasure plus results from them. I have already commented that the "small customer base" would not exist at all if it was necessary to buy an elderly (possibly totally knackered) british machine and renovate it oneself. The value of a new mini is fantastic when you add up all the parts involved and the total comes to signirificantly less than £1k. eBay has some very sad looking cases of, perhaps, excellent old machines and people still want a lot of money for them. Without having an existing workshop to 'do it up' with, such a machine is not much more than a door stop.

                                    If one has spent life in the professional business then it is reasonable to look down ones nose at the 'cheap tat' but it's horses for courses and my mini has been good value after only a few months of use.

                                    On a point of detail, I would be interested to hear if anyone else has needed to tension a drive belt on a mini and come across a 'third' bolt, pointing downwards near the motor body. It seems to have not particular function except to help with the tensioning. It's in just the right place and it doesn't seem to be tightened on my mini. I would use it if that's what it's for.

                                    #414401
                                    Former Member
                                    Participant
                                      @formermember53456

                                      [This posting has been removed]

                                      #414406
                                      SillyOldDuffer
                                      Moderator
                                        @sillyoldduffer
                                        Posted by Haggerleases on 14/06/2019 20:37:00:

                                        Is this what happens when a worker tries to own the means of production?!

                                        Perhaps what they say is true, a Chinese lathe at this price is a kit of parts. Sad though. 1000? years of development of this tool and this is where we're at? Really?

                                        Nothing to do with communism.

                                        However, the comment helps answer Haggerleases' earlier 'what lathe' queries. He should not buy a Far Eastern Machine! Nothing wrong with this. Better to be comfortable than irritated by your tools, and it's a good reason for paying the extra.

                                        I suggest Cowells. On the small side maybe, but nice lathes and a milling machine with plenty of accessories available, plus the purchase supports British Industry. The cheapest Cowells lathe, (with no accessories?), is £2145.00 + VAT. (£2574) Not sure if carriage is included or not.

                                        Dave

                                        #414408
                                        andrew lyner
                                        Participant
                                          @andrewlyner71257
                                          Posted by Haggerleases on 15/06/2019 18:20:44:

                                          I'm not angry, just dissappointed really. (Like my parents used to say)…

                                          As a newcomer to the hobby, is this what I can expect for the money I've saved up? If I'd bought that thing new and found that fault I'd be completely gutted.

                                          If I had spent several times as much money and if I had been led to understand that I was getting a high class machine, then I would have been 'disappointed'. I am not 'disappointed' by the experience of flying on EasyJet; it is what it is and it costs what it costs. I have had friends complain that their low cost holiday was not perfect. Why complain? We have just returned from an idyllic holiday with some of the Family in the South of France. It cost a fortune. I was ripped off, yet again, by the car hire but it was no surprise and I am fighting Avis Budget about it (but the word "Budget" is a clue. The rest of it was great because we spent enough on it.

                                          Unfortunately (in some ways) my highest proprieties do not lie in the direction of machine tools but the money goes on other things and I come to terms of getting what I pay for,

                                          On the basis of experience with the mini, I would never recommend anyone buying a second hand one without giving it some extensive examination; so many things to wear out and to go loose. But that would go for almost anything second hand.

                                          #414427
                                          andrew lyner
                                          Participant
                                            @andrewlyner71257
                                            Posted by SillyOldDuffer on 15/06/2019 18:29:05:

                                            Posted by Haggerleases on 14/06/2019 20:37:00:

                                            Is this what happens when a worker tries to own the means of production?!

                                            Perhaps what they say is true, a Chinese lathe at this price is a kit of parts. Sad though. 1000? years of development of this tool and this is where we're at? Really?

                                            Nothing to do with communism.

                                            However, the comment helps answer Haggerleases' earlier 'what lathe' queries. He should not buy a Far Eastern Machine! Nothing wrong with this. Better to be comfortable than irritated by your tools, and it's a good reason for paying the extra.

                                            I suggest Cowells. On the small side maybe, but nice lathes and a milling machine with plenty of accessories available, plus the purchase supports British Industry. The cheapest Cowells lathe, (with no accessories?), is £2145.00 + VAT. (£2574) Not sure if carriage is included or not.

                                            Dave

                                            If one doesn't happen to have £2.5k to spend, should one just not bother – or wait a few years? That would exclude most young people and any but 'recent lump sum' pensioners, Great if you have the money but not realistic for many of us.

                                            #414429
                                            Howard Lewis
                                            Participant
                                              @howardlewis46836

                                              Haggerleases,

                                              You cannot expect to drink Premier Cru Champagne if you only pay the price for a pint of beer.

                                              I spent a lot of my life in Quality and Development, but accept that most of the time you get what you pay for.

                                              I do not expect to find high quality veneer and a cocktail bar in my Toyota Aygo. If I MUST have those, I have to pay for a Rolls-Royce or a Bentley.

                                              Quality costs!

                                              The time devoted to Design, Manufacture, Inspection,Assembly, Adjustment and the material has to paid for, as well as the labour.t..

                                              So if we pay £600 for a Far Eastern lathe, it is unrealistic to expect it to be, and to behave like a £20,000 Industrial machine. The materials will be cheaper, and It will not be as well finished,, or adjusted as the Industrial machine. You cannot get those features for peanuts. The industrial machine is expected to work to tighter tolerance, almost 24/7.

                                              A machine used purely for a hobby, is unlikely to be worked hard, for 40 hours a week, every week.

                                              It sounds as if you joined the hobby too late to have any dealings with the late, and much lamented, John Stevenson. He would have put his comments much more forcibly, and offended you, despite them being accurate.

                                              My Instructors, at Rolls-Royce told me, early on, after I had had a disaster, "The man who never made a mistake; never made anything". We are all human, and from time to we all make mistakes.. It may be annoying, at least, but if you cannot achieve perfection, it is unrealistic to expect it of everyone else.

                                              Howardi

                                              #414440
                                              Former Member
                                              Participant
                                                @formermember53456

                                                [This posting has been removed]

                                                #414442
                                                Former Member
                                                Participant
                                                  @formermember53456

                                                  [This posting has been removed]

                                                  #414443
                                                  Ian Skeldon 2
                                                  Participant
                                                    @ianskeldon2
                                                    Posted by Haggerleases on 15/06/2019 22:48:06:

                                                    I'm going to cop some flak for this, but buying a reasonably 'big ticket' item like a Chinese lathe, smacks to me of another example of the 'baby boomers' and yes, successive generations too, selling the world down the river for their own brief amusement (again).

                                                    I've been on the Warco site, The Axminster site, and so on, and my finger has hovered over the 'buy' button many times, but I just can't bring myself to do it.

                                                    …Ducking and covering.

                                                    So don't press the buy button, nobody really gives a damn what you buy, it's your hard earned money, go out and get the best British lathe you can afford if that's what your personal choice is. I hope your driving around in a British made car, hopefully with enough space for you and that chip your carrying around.

                                                    #414449
                                                    Robin Graham
                                                    Participant
                                                      @robingraham42208
                                                      Posted by Haggerleases on 15/06/2019 22:48:06:

                                                      I'm going to cop some flak for this, but buying a reasonably 'big ticket' item like a Chinese lathe, smacks to me of another example of the 'baby boomers' and yes, successive generations too, selling the world down the river for their own brief amusement (again).

                                                      I've been on the Warco site, The Axminster site, and so on, and my finger has hovered over the 'buy' button many times, but I just can't bring myself to do it.

                                                      …Ducking and covering.

                                                      No flak from me, but some confusion. When I was researching a first lathe purchase (13-14 years ago I think) there was a lot of stuff on t'internet about Far Eastern machines being a 'kit of parts'. I think it is generally accepted that things have moved on since then and that the manufacturers have responded by improving quality control. In your comment about the OP's particular and unusual problem you seem to have characterised the whole machine as 'a pile of crap' on the basis of the fault. However Warco acknowledged the problem and responded promptly with a replacement and the problem is resolved. It shouldn't have happened. But…

                                                      Scared by the reputation of far Eastern machines I bought a Proxxon PD400 which has about the same capacity /weight as a Far Eastern minilathe. About four times the price (around 2500 including 4-jaw and steadies) at the time, but I was paying for out-of the-box European (Austrian) quality. Couldn't get the gib on the cross slide right, I put it down to stupidity /inexperience, Eventually I tracked it down to a bent cross-slide feed screw. Proxxon's UK agent promptly replaced it with another bent screw, then another. I gave up and made a straight one myself. Since when it's been a lovely (if overpriced) little lathe. The rest of it is fine. So it isn't just Far Eastern manufacturers who make mistakes.

                                                      My 'biggest ticket' workshop purchase so far has been a 3000 GBP 12×36 Far Eastern gear head lathe – it's as accurate as the Proxxon I am grieved to say. But much bigger! Over the years I have pushed much more than that into the Far Eastern economy by buying low ticket items I suspect.

                                                      I'm confused because I don't understand if your reluctance to hit 'buy' is because you  think you'll get a 'pile of crap' from Warco or others (unlikely) or you have difficulties with supporting the economy of a country with a political system which you don't like. In the latter case it's possibly not an appropriate subject for this forum.

                                                      Robin.

                                                       

                                                       

                                                      Edited By Robin Graham on 16/06/2019 02:15:44

                                                      Edited By Robin Graham on 16/06/2019 02:19:05

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