Carbide Tips from Hong Kong

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Carbide Tips from Hong Kong

Home Forums Manual machine tools Carbide Tips from Hong Kong

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  • #317188
    Mick B1
    Participant
      @mickb1

      I've just received 10-off small carbide tips: DCMT070204 US735 DCMT51.51

      …for which I paid £4.69 including carriage. Supplier is in Hong Kong, and actual lead time was 12 days.

      After a couple of moderately aggresive cuts on silver steel, they seem good. This price is of the order of a tenth what they'd cost from a UK supplier.

      Is this part of a dastardly plot to defeat our own tooling distributors by undercutting them with loss leaders?

      Have our own suppliers been ripping us blind?

      Or, as I suspect, is it a bit of both?

      Anyone else have any experience to share about cheap tips from abroad?

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      #13047
      Mick B1
      Participant
        @mickb1
        #317194
        jimmy b
        Participant
          @jimmyb

          I now get all mine from china/Hong Kong. Not had any problems, so far.

          We tried some Chinese ones at work. Ran as good as the “branded” ones, but had about half the life. Cheap will do me at home on carbide inserts.

          #317199
          Ketan Swali
          Participant
            @ketanswali79440

            U.K. distributors are not ripping you off.

            There are various factors to consider:

            – Depending on products factory origin in China, it costs us much more to buy than what you have paid, in the real world.

            – the said inserts may be acceptable for your use, but could also be rejects for specific application.

            – We aim to supply on basis of consistency. The HK seller may have a job lot – very common practice.

            – Some may be legitimate sales, some may be back door sales, and some may be black market money laundering.

            – Shipping is done through uncle/aunt corporation accounts. Difficult to explain until you are in that kind of environment.

            – We in U.K. have to pay all kind of taxes, and we have to observe the law.

            This is our – U.K. suppliers view on this. This is just the way it is, and we have to accept it. We – ARC have reported various illegal issues to HMRC, but there is very little interest on their part to do anything about it.

            So, life goes on, enjoy your inserts, but please.. we the U.K. sellers request you to avoid suggesting that we are ripping you off, as this is far from reality.

            Thank you.

            Ketan at ARC.

            #317202
            clogs
            Participant
              @clogs

              never had a problem but have a sneaky idea that most of what we buy, shall we say at normal prices are just rebadged chinky gear anyway………

              remember Taihwan stuff was shall we say was pony to begin with……..now it's up there with the good'uns……..

              it all depends on the cost cutting aXX-hole accountants that order in the cheapo gear, hence the bad reputation for Chinese materials…….

              have heard that certain European roller bearing manufacturers have their bearings made in China………

              it's just quality control…….

              buy the cheapo stuff and if it goes bad just bin it…..

              shame European manufacturers think they can charge what they want….spose u can if it's tax deductable…..

              memories of the crap that the Brit motorcyle manuf's used to turn out…..

              rant over……….clogs

              #317207
              MW
              Participant
                @mw27036

                I really doubt they would be as worth while as a branded tooling system. But I can't comment without having used anything but generic types.

                Michael W

                #317209
                Neil Lickfold
                Participant
                  @neillickfold44316

                  Recently I have seen where a well known brand was being counterfiet in China and sold as this brand. The packet and label looks identical. The product looks to a casual observer as being the same. But a close inspection shows this is not the case. Not saying what you brought is a knock off , but it is happening. These knock off tips that I have seen don't have the tool cutting life of the genuine article. But home hobbiest seldom get the same cutting volume off an insert anyway.

                  Neil

                  #317227
                  mechman48
                  Participant
                    @mechman48

                    I have bought some inserts from HK / china as well & they seem to do the job as good as 'Branded' inserts, & being on pension status, along with many others I know, cost is a factor for me, but there again I don't do anywhere as near as much cutting as a production set up would, in fact I haven't done any lately… must remedy that… thinking

                    George.

                    #317230
                    Howi
                    Participant
                      @howi

                      Is it genuine or a cheap clone? Tools, inserts are the same as electronic assemblies from China.

                      Assume a production line making carbide tips and the customer wants 1 million – does the production stop when that number is reached? Or do they continue to make more and sell to local stockists for next to nothing.

                      I have had electronic assemblies from China that cost less than the postage here in the UK but all were well made and worked. I have no doubt that there are cheap clones, the Arduino boards are a classic example, obviously a rip off clone just by looking at it.

                      How to spot a lower quality item, not always easy but you have a number of options, pay top wack price, go to a reputable dealer or take your chance and see what you get.

                      It reminds me of third part batteries for digital cameras, there is so much cr#p on the camera forums you would not believe it. If it bothers you pay the manufactures inflated price (£60 – £80) is not uncommon.

                      If it bothers you take the hit, if it doesn't there are plenty of reliable clone manufactures at a quarter of the price, just don't be stupid and go for the cheapest. I like to think the average person on this forum is above average intelligence and quite capable of making this sort of decision. smiley

                      #317231
                      nigel jones 5
                      Participant
                        @nigeljones5

                        If you make a detailed breakdown of every monetary transaction involved in any UK production process from buying land to paying workers and then separate all of the taxes paid out you will see that there is actually very little real money moving anywhere. Im not against taxation but it accounts for a huge percentage of cost, which is one reason why we cant compete with some other countries.

                        #317247
                        Chris Evans 6
                        Participant
                          @chrisevans6

                          I have just tried some cheap APMT tips. They did not survive one pass over a 7"x5" casting.

                          #317939
                          Martin Dowing
                          Participant
                            @martindowing58466

                            All what one may say is that European governments are regulating and taxing industry to oblivion and oblivion they will face or actually facing now.

                            Manufacturing is done in China and in the UK we are left with *hobbies*. Serious manufacturers are moving to Asia, all what is left here are traders who are trying o screw you up and a taxman who will screw you on the top of it.

                            Many of these traders are pretending to be manufactures by stuffing Chinese stuff to boxes with label "made in UK, in Germany, in EU" etc.

                            Wonder how long it will last?

                            Perhaps to oblivion of domestic tax revenues? It is a real pity that stupidity of our bureaucrats cannot be legislated out.

                            PS.

                            Recently bought high quality Chinese boring head with 2 boring bars and 10 carbide inserts for price of 10 mid grade 12mm Sandvik inserts…

                            #317963
                            Fowlers Fury
                            Participant
                              @fowlersfury

                              If users of the cheap imports find them effective then they've had more success than me. I purchased a few supposedly Chinese imported carbide tips but their cleaness of cut was very poor on my lathe set up. I then tried "expensive" Iscar tips and their performance was a revelation e.g. when taking a 1 thou cut on silver steel rod. A comparison of the cutting edges on both new inserts under the microscope revealed why.

                              x200 edge.jpg

                              (At x200 the depth of field is extremely narrow).

                              Being no expert whatsoever on such tips, I just now purchase the branded tips based on performance and have no feelings about being 'ripped off'.

                              #317966
                              Mick B1
                              Participant
                                @mickb1

                                Which is which? The LH one (looks to be TiN coated) has an apparently smoother finish, but the RH one looks sharper – and you mention 1 thou cuts.

                                I can't actually recall *ever* using any tips that made a particularly clean job of 1 thou cuts on stuff like silver steel, and that's one reason I've preferred HSS for most jobs for most of the 40-odd years I've been machining.

                                In the light of what you and Ketan have said, I'll try some 'definite' branded tips and see.

                                #317979
                                Muzzer
                                Participant
                                  @muzzer

                                  What part numbers did they claim for these 2 (clearly very different) inserts? The RH one looks like a ground, uncoated insert. You'd expect them to behave quite differently. There are many hundreds of different geometries, surface treatments, chipbreakers, nose radii etc available. Apples and pears?

                                  Murray

                                  #317984
                                  Fowlers Fury
                                  Participant
                                    @fowlersfury

                                    The LH image is a tip purchased from one of our well known suppliers at a M.E. exhibition whereas that one the right is an Iscar, purchased from JB Cutting Tools again at an exhibition (usual disclaimer; but ever-friendly service).

                                    **LINK**

                                    JB's webpage (above) describes them as 'ground and polished inserts'.

                                    As for Ag steel, I can repeatedly take a self-act cut of one thou on my S7B and the Iscar produces a continuous fine coil of swarf ~ honest !

                                    The one downside with them, at least in my hands, is that they're very fragile. For instance, an inadvertant light contact with a stationary chuck jaw will chip the cutting edge. By contrast they'll keep their edge when subject to some pretty deep, continuous cuts into tough steel.

                                    But do treat the above comments as strictly those of an amateur !

                                    #317987
                                    Steve Pavey
                                    Participant
                                      @stevepavey65865
                                      Posted by Chris Evans 6 on 16/09/2017 12:23:46:

                                      I have just tried some cheap APMT tips. They did not survive one pass over a 7"x5" casting.

                                      I just bought a face mill from Banggood along with a 10 pack of APMT tips. They seem to work ok on aluminium with a light test cut of a few thou. Trying a piece of mild steel they were awful – I stopped a ten thou cut before the mill shook itself to bits and tried around three thou. The finish looks like the back end of a badger.

                                      However, on looking around at what is available I have to say that there might be something in what the op says. Prices vary wildly, even for name brands. I see Axminster are selling no-name APMT 1604 tips at around £14 each. No idea what the quality is like and I'm unlikely to ever find out at that price. Some name brands on eBay are available for around £25-30 for 10.

                                      #317990
                                      Ketan Swali
                                      Participant
                                        @ketanswali79440
                                        Posted by Mick B1 on 21/09/2017 12:45:05:

                                        In the light of what you and Ketan have said, I'll try some 'definite' branded tips and see.

                                        Hi Mick,

                                        The real issue is not about brand. You said you were happy with what you had purchased, and that is great.

                                        The issue is more about consistency. Also, as Murray says:

                                        'What part numbers did they claim for these 2 (clearly very different) inserts? The RH one looks like a ground, uncoated insert. You'd expect them to behave quite differently. There are many hundreds of different geometries, surface treatments, chipbreakers, nose radii etc available. Apples and pears?'

                                        If something works for you, and if you can get the same consistency going forward, then that is fine too. All i was suggesting was there are many reasons for price differences, rather than a British trader ripping off anyone.

                                        Ketan at ARC.

                                        #317993
                                        Ketan Swali
                                        Participant
                                          @ketanswali79440
                                          Posted by Steve Pavey on 21/09/2017 14:24:22:

                                          Posted by Chris Evans 6 on 16/09/2017 12:23:46:

                                          I have just tried some cheap APMT tips. They did not survive one pass over a 7"x5" casting.

                                          I just bought a face mill from Banggood along with a 10 pack of APMT tips. They seem to work ok on aluminium with a light test cut of a few thou. Trying a piece of mild steel they were awful – I stopped a ten thou cut before the mill shook itself to bits and tried around three thou. The finish looks like the back end of a badger.

                                          However, on looking around at what is available I have to say that there might be something in what the op says. Prices vary wildly, even for name brands. I see Axminster are selling no-name APMT 1604 tips at around £14 each. No idea what the quality is like and I'm unlikely to ever find out at that price. Some name brands on eBay are available for around £25-30 for 10.

                                          ARC sells named and un-named brands (namely CCMT and CCGT types). ARC knows the exact source of un-named as well as named brand which it sells. The maker of the un-named brand supplies us a a specific – consistent quality. We are unable to buy un-named or named brands from the original makers at the low prices regularly suggested on eBay, Banggood or other similar sites. The real reasons are stated earlier.

                                          Ketan at ARC

                                          Edited By Ketan Swali on 21/09/2017 15:11:47

                                          #318002
                                          Brian Oldford
                                          Participant
                                            @brianoldford70365
                                            Posted by Howi on 16/09/2017 09:32:30:

                                            . . . . . . . ., the Arduino boards are a classic example, obviously a rip off clone just by looking at it.. . . .. . .

                                            That's a little unfair on our far eastern friends. How can they be rip-off clones when Arduino is open source?

                                            Edited By Brian Oldford on 21/09/2017 15:32:15

                                            #318004
                                            Fowlers Fury
                                            Participant
                                              @fowlersfury

                                              I accept Ketan's comments and acknowledge my relative ignorance of the intricacies of "hundreds of different geometries, surface treatments, chipbreakers, nose radii etc".

                                              If model engineers find a tool which does the job to their satisfaction where's the problem? My point was merely that the unbranded tips, I maybe misguidedly purchased, performed badly in use. Consequently I tried an Iscar insert in the same toolholder and was satisfied with the results obtained. I've no idea what, if any, the claimed part number was for the unbranded tips and I doubt the "well known" seller did either. These are the two tips in question at x10 magnification. The unbranded one (left) had been used once only on the upper tip.

                                              To appropriate that common stallholder's cry to customers "yer pays yer money and takes yer choice".

                                              x10.jpg

                                              #318007
                                              jimmy b
                                              Participant
                                                @jimmyb

                                                the inserts pictured are totally different.

                                                Ones a polished insert with a small rad and ones coated with a large rad.

                                                My own experience of inserts from China, is that similar geometry etc gives similar results.

                                                Compare apples with apples, not apples with pearswink

                                                #318010
                                                MW
                                                Participant
                                                  @mw27036
                                                  Posted by jimmy b on 21/09/2017 15:58:37:

                                                  the inserts pictured are totally different.

                                                  Ones a polished insert with a small rad and ones coated with a large rad.

                                                  My own experience of inserts from China, is that similar geometry etc gives similar results.

                                                  Compare apples with apples, not apples with pearswink

                                                  Or you could go up a gear and use PCD or CBN tips? That would most certainly be premium.

                                                  Michael W

                                                  #318021
                                                  SillyOldDuffer
                                                  Moderator
                                                    @sillyoldduffer
                                                    Posted by Fowlers Fury on 21/09/2017 15:48:24:

                                                    My point was merely that the unbranded tips, I maybe misguidedly purchased, performed badly in use.

                                                    x10.jpg

                                                    I wonder if FF would care to try an experiment? He mentioned that he has a S7. Now Myford lathes are wonderful in every way except one – they aren't fast or powerful enough to make good use of carbide. It's no surprise that the sharp insert performed best in Fowler's test because it's not much different from an HSS tool. It's the profile of the insert that made the difference, not the brand.

                                                    Thing to try is what that yellow insert does at a much higher cutting speed. Try mounting a 3" diameter plus steel or hard skinned cast iron bar in the chuck, run the S7 flat out, and take a fast cut, at least 250 thou deep. Get it right and the insert will spray hot chips rather than make ribbons, and produce a good finish. Unfortunately, with more normally sized work, it's hard to get a Myford turning fast enough to get the best out of Carbide, and a risk that the motor will stall on a very deep cut.

                                                    So another conclusion from Fowler's post is that cheap Chinese inserts only work on cheap Chinese lathes! Perhaps every workshop should have one. Anyone who has to dump their old Myford to make space can send it to me. Nothing wrong with HSS in my hands…

                                                    devil

                                                    Dave

                                                    #318027
                                                    Ketan Swali
                                                    Participant
                                                      @ketanswali79440
                                                      Posted by SillyOldDuffer on 21/09/2017 16:57:22:

                                                      So another conclusion from Fowler's post is that cheap Chinese inserts only work on cheap Chinese lathes! Perhaps every workshop should have one. Anyone who has to dump their old Myford to make space can send it to me. Nothing wrong with HSS in my hands…

                                                      devil

                                                      Dave

                                                      Oh lord, what a real messed up conclusion teeth 2

                                                      Ketan at ARC.

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