Petr Bernard, TECHNOLOGY PRODUCT TRADE | +420 777 981 981 | info@tp-t.cz | tp-t.cz
A buyer's guide
Twelve questions that cost other companies a fortune
For anyone buying a machine for welding plastics or a line for blister packaging. Each question comes with what a good answer sounds like and when to prick up your ears. Twenty minutes of reading.
Petr Bernard, TECHNOLOGY PRODUCT TRADE | +420 777 981 981 | info@tp-t.cz | tp-t.cz
The hour on the phone that produced this guide
Some time ago a process engineer from an injection
moulding plant called me.
They were making a plastic housing in two halves. There is electronics
inside, so the joint has to be tight. The mould was finished, tried out, and
the parts coming off it were exactly as drawn. On the drawing the two halves
met flat face on flat face.
That is the sentence he was calling about, only he did not know it yet.
For two parts to be ultrasonically welded tight, one of them needs an energy
director. A triangular ridge around the perimeter, three or four tenths of
a millimetre high, which melts first and carries the melt into the joint.
Without it two flat faces will still join, but they will not be tight.
An energy director is drawn into the mould. It cannot be drawn into
a finished one.
There were two months left before the start of production. Everything
I could offer meant either cutting into the mould or a different technology
and a longer cycle. Both cost money and weeks he did not have. It was one of
the most uncomfortable hours I have spent on the phone in twenty years. Not
because of him, he was decent and to the point, but because everything I was
telling him could have been said six months earlier and would have cost
nothing.
He did not ask because nobody had told him he should.
And that is my fault, not his. We have been selling these machines for twenty
years and we never put that list of questions into anybody's hands.
For twenty years I have sat opposite buyers and process engineers, and
within five minutes I can tell whether the person knows what they are getting
into. Not by whether they understand welding plastics. Usually they do not,
and they do not need to, that is what I am there for. I can tell by the
questions they ask.
I have written down the twelve that would make me prick up my ears if
I were sitting on your side of the table. The first four are about the
machine, the next two about your part, two about what comes after the
warranty, and the last four about the delivery and the money. Ask us them
too. If we answer any of them vaguely, you have every right to ask
again.
Twelve questions on one page
The question that process engineer failed to ask is not among the twelve
below. It is in the appendix at the end, because it comes up before a machine
is chosen at all. If you are still drawing the part, skip straight there.
If you read nothing else, tear out at least this page. On the right is what
the same question cost the companies that did not ask it.
| Question | The cost of silence |
| 01 | What control system and what components are inside? | 11 days waiting for a control board from the manufacturer |
| 02 | How many machines of this design are in service? | a year of sorting out an untested design |
| 03 | Can the machine be used for another part and another tool? | a whole second machine instead of a second head |
| 04 | What does the second and third tool cost? | three times the price of the second tool |
| 05 | What happens if the part fails sampling? | repairing the mould with the series already running |
| 06 | Where can I go and see the machine running? | six months before the same thing is worked out at home |
| 07 | Where do I buy spare parts and how soon do I have them? | a month of downtime instead of one shift |
| 08 | What is the service response time and who answers the phone? | three days with the line standing |
| 09 | What is the power draw, the air consumption and the footprint? | a compressor nobody had allowed for |
| 10 | Who accepts the machine at the manufacturer before it is loaded? | 2 months of arguing about damage in transit |
| 11 | Who pays for transport, insurance, installation and training? | EUR 15,000 to 20,000 outside the machine price |
| 12 | What is not in the price? | the air supply and the electrical connection at your own cost |
Question 01, about the machine
The control cabinet nobody looks into
Ask it like this: What control system and what components are inside?
When I open the control cabinet of a European machine, I see almost
the same thing every time. Contactors of brands you have in your own plant.
Valves you have on your moulding machines. Control from one of the three
manufacturers who between them rule Europe.
I will say it straight, even though it does me no favours. The difference
in price between two European machines almost never lies inside the control
cabinet.
It lies in the construction of the frame, in the precision of the tool, in
how accurately the machine is sized for your part, and in how many of that
design the manufacturer has already built. The buyer looks for it in the
components, because components are what they understand.
The best question I ever heard on this was not "what is inside". It was:
I will take the wiring diagram home and show it to my electrician, will you
send it to me?
That man told me two things at once. That somebody who understands it
would be checking. And that if I started wriggling, he would notice.
I sent him the diagram the same day. If anybody refused to send me one,
I would ask why.
A good answer sounds like
The supplier names brands you already know and says why those. You get the wiring diagram as part of the documentation.
Prick up your ears when
You hear that it is their know-how. On the control system of a machine meant to serve you for ten years, that is not know-how, it is dependency.
The cost of not asking11 days waiting for a control board from the manufacturer
Question 02, about the machine
You do not want a novelty, you want a proven machine
Ask it like this: How many machines of this design are in service?
Nobody buying once in ten years wants to be the guinea pig. It is
a healthy instinct and you should listen to it.
The number of units of a given design already built is the only measurable
proof that the machine has been through production and not just through the
test room. A brochure tells you what the machine can do. The number built
tells you what it has already survived.
With the European manufacturers I work with, those numbers run in the tens
to hundreds. It is no secret and nobody is ashamed of them.
One thing to be fair about, though. Your machine will always be a little
different, because the tool is made for your part. The question is therefore
not how many machines identical to yours are in service. It is how many units
of that design, that frame and that control system the manufacturer has
already built.
When I hear that every machine is unique, I know what it means. It means
the design is unique too, and that is exactly what you do not want.
And one more thing, which is new. Ask straight away who actually builds the
machine and where. A local website, local phone numbers and a local name in
the footer are today perfectly normal for an importer who has never seen the
machine. I am not saying a machine from outside Europe is a bad machine.
I am saying it is a different decision and you should make it knowingly. Ask
how many are already standing in this country, and ask for one address where
you can go and see one.
A good answer sounds like
A number and the sectors those machines work in, plus the name of the manufacturer and the country where the machine is built.
Prick up your ears when
An evasive answer about every machine being unique. What tends to be unique is the tool, not the design.
The cost of not askinga year of sorting out an untested design
Question 03, about the machine
You are buying for ten years a product that will last three
Ask it like this: Can the machine be used for another part and another tool?
The machine will stay with you for ten years. The product you are
buying it for will change in three to five. It is an asymmetry I see in this
field over and over.
It means the machine you buy will spend most of its life doing something
other than what you bought it for.
When somebody asks me whether the machine can be used for another part,
I say yes. Everybody says yes, because it is true. What comes after that is
the interesting part.
A good answer is a boring list. The tool changes. On a bigger change of
size, so does the horn. A new fixture is made. The program is reset and it
takes half a day. A boring list can be taken to a meeting and defended.
And one thing almost nobody asks about, although they should. Can the
machine be extended later? Room can often be left in the frame that costs
a few thousand euros today, and in two years a second head goes into it.
Without that space, in two years you buy a whole second machine.
Ask about it even if you need no second head today.
A good answer sounds like
Yes, with a tool change, and with a list of what has to be reset and how long it takes.
Prick up your ears when
Yes, with no detail. Ask whether only the tool changes, or the horn, the fixture and the program as well.
The cost of not askinga whole second machine instead of a second head
Question 04, about the machine
The best moment for this question is before signing
Ask it like this: What does the second and third tool cost?
You can negotiate only until the moment you have two quotes on the
table. After that you cannot, and it makes no difference how good
a negotiator you are.
The price of the second tool is exactly the item that negotiates worst
after signing. It is not in the original quote, it comes up in two years, and
at that point you have nowhere to go, because the machine is already standing
in your plant.
Let me tell you how it usually is on products of a similar shape. The
outer dimension of the pack or the part follows from the machine and stays the
same. What changes is the inner shape. The second tool is therefore rarely
a second full price, it is a fraction.
That fraction is written nowhere until you ask for it.
If a supplier tells you they will work it out from the drawing, that can be
honest. But they should be able to give you the order of magnitude straight
away, because they have made dozens of such tools.
I put a line for the second tool into my quotes myself, even when nobody
asks for it. It saves an awkward phone call later.
A good answer sounds like
A specific figure or a percentage of the machine price, with a note that it applies to a part of a similar size.
Prick up your ears when
We will work it out from the drawing. Sometimes that is honest, but the order of magnitude should come straight away.
The cost of not askingthree times the price of the second tool
Question 05, about your part
The question that separates a supplier from a salesman
Ask it like this: What happens if the part fails sampling?
The machine welds. Every machine does that and nobody will thank you
for it.
What you actually need is something else. You need your part, made from
your material, to pass at your customer. And that is where it shows who
stands behind it.
So ask what happens if the samples fail. And watch how quickly the
conversation slows down.
The right procedure is boring and predictable. Samples are made before
signing and from your material, not from a universal test piece. Strength in
newtons and tightness at a given pressure go into the contract. And so does
what happens if they are not met.
Let me tell you the uncomfortable half as well. Sometimes it turns out the
problem is not in the machine but in the moulding. The material has
a different filler content than expected, or parts from different cavities of
the mould behave differently. That is not the machine supplier's fault.
There should be a sentence about that in the contract too. Because even
then you have to know who does what.
A good answer sounds like
Samples before signing from your material, the parameters of the joint clearly written into the contract, and a procedure for what happens if they are not met.
Prick up your ears when
Sampling only after the machine is delivered. By then you have paid and you have no negotiating position at all.
The cost of not askingrepairing the mould with the series already running
Question 06, about your part
The day that saves six months
Ask it like this: Where can I go and see the machine running?
Of all twelve questions this is the only one I will insist on.
Go and see the machine.
I take customers to plants where the same machines are working, and the
same thing happens every time. In two hours they learn things I would never
tell them, because they would never occur to me.
That the tool changes in twenty minutes, not an hour. That after six months
the operator made her own marks on the fixture, because loading was awkward at
first. That the machine needs more space around it than the footprint
suggested.
And above all, there you can ask the question you cannot ask me. Would you
buy it again?
I know that one day and three hundred kilometres are hard to find in a busy
company. But on a decision worth a hundred thousand euros it is the cheapest
insurance I know.
If somebody tells you they have nowhere to take you, that does not
necessarily make them a bad supplier. But ask them a second time why not.
A good answer sounds like
An offer of a specific plant you can drive to, ideally with a part similar to yours.
Prick up your ears when
We have nowhere, and no alternative either. If a customer visit is ruled out by confidentiality, a visit to the manufacturer or a video call from the machine should still be possible.
The cost of not askingsix months before the same thing is worked out at home
Question 07, after the warranty
Nobody wants spare parts from one place only
Ask it like this: Where do I buy spare parts and how soon do I have them?
I can spot a well-prepared company by the fact that the maintenance
technician is sitting in on the meeting.
The buyer asks about the price and the process engineer about cycle time.
The maintenance technician asks one thing only: where am I going to get this when it
breaks.
It is the most practical question of the twelve and the hardest one to lie
about, because the answer can be checked in half an hour. Ask for the spare
parts list with catalogue numbers and try to find them at a local
wholesaler.
On the machines I supply you will find most of them that way. Relays,
contactors, valves, switches, limit switches. They are not our parts, they
are parts everybody in Europe has.
A few items always stay special. On ultrasonics it is the horn and the
converter, on a laser the source. Those really are bought from the
manufacturer and it is right to ask straight away what they cost and how long
delivery takes.
If somebody tells you there are no special parts at all, either it is
a very simple machine, or they are not being straight with you.
A good answer sounds like
A parts list with ordinary catalogue numbers, and a sentence saying they can be bought outside the machine supplier as well.
Prick up your ears when
Special parts made only for that one manufacturer and available nowhere else. Ask straight away about the price and the lead time.
The cost of not askinga month of downtime instead of one shift
Question 08, after the warranty
Half past four on a Friday
Ask it like this: What is the service response time and who answers the phone?
A response time within 48 hours is a sentence I read in quotes so
often that it has lost its meaning.
Response can mean that somebody calls you. It can mean that somebody
arrives. In the great majority of contracts it means the first, except nobody
writes that down.
So please ask specifically. Who picks up the phone, what is their name, and
what happens in the first hour.
Let me tell you how it works with us, so you have something to compare
against. I pick it up. I ask for the fault message and for a photo of the
display. From that moment nine faults out of ten are solved on the phone with
your own maintenance technician, because it is a valve, a limit switch, or a setting
that has drifted.
When it cannot be solved on the phone, an engineer travels. But only
once we know which part to bring, because an engineer without the right
part is just a more expensive phone call.
Incidentally, try it. Call that number on a Friday afternoon before you buy
anything. You will learn more than from a whole chapter about service.
A good answer sounds like
A name, a phone number and a sentence about what happens in the first hour. Most faults can be solved on the phone with your own maintenance man.
Prick up your ears when
A response time within 48 hours with no explanation of what response means. A phone answered and an engineer on site are two different things.
The cost of not askingthree days with the line standing
Question 09, delivery and money
The size of the machine is not the size of the space it needs
Ask it like this: What is the power draw, the air consumption and the footprint?
The quote gives the footprint of the machine. In the plant you need
the footprint of the machine plus the space where the operator stands, plus
the space the guards swing open into, plus the space the tool is carried
through.
It tends to be a third more than what is in the brochure.
It gets forgotten regularly and found out late, because the plant is
planned in the spring and the machine arrives in the autumn.
It is the same with the power draw and the air. You need the power in
kilowatts because of the breaker and because of whether your existing
distribution will take it. You need the air consumption in litres a minute
because of the compressor, which usually has half the plant hanging off it
already.
On machines with heating elements there is one more figure almost nobody
asks about. The inrush current while heating up tends to be considerably
higher than in normal running.
If a supplier tells you they will add the three figures later, that is
a warning. It means they do not have them to hand, and a machine whose
consumption the manufacturer does not know by heart has probably not been
built many times.
A good answer sounds like
Specific figures in kW, in litres a minute and in millimetres, including the space for the operator and for the guards to open.
Prick up your ears when
We will add it later. A footprint is hard to sort out once the machine is ordered and there is no room for it.
The cost of not askinga compressor nobody had allowed for
Question 10, delivery and money
The last moment when anything can still be changed
Ask it like this: Who accepts the machine at the manufacturer before it is loaded?
Between the manufacturer and your plant there are a thousand
kilometres and the tarpaulin of a lorry. What happens on that journey is hard
to prove afterwards.
Acceptance at the manufacturer is, from where I stand, the cheapest
insurance in the whole job. The machine runs a series of pieces there,
strength, tightness and cycle time are measured, and the result is a report
with numbers in it.
I go to them and I take customers with me. I do it for two reasons and only
one of them is for you.
The first: if something shows up only at your plant, a debate starts about
whether it happened in transit. With a report that debate does not happen.
The second one is mine. When you stand at the acceptance, you see the
machine before your own management does. If there is something you do not
like, you say it at the factory and not in your own plant, where it is too
late.
In twenty years I have seen a machine turned back at acceptance twice. Both
times it was cheaper than dealing with it later.
A good answer sounds like
Acceptance at the manufacturer is part of the supply, you are invited to it, and it produces a report with measured values.
Prick up your ears when
The machine is shipped straight to you and acceptance happens on site. It is then hard to prove when the defect arose.
The cost of not asking2 months of arguing about damage in transit
Question 11, delivery and money
Three letters that decide tens of thousands
Ask it like this: Who pays for transport, insurance, installation and training?
EXW. Three letters you can read straight past in a quote without
noticing them.
They mean the machine is yours the moment it stands on the loading bay at
the manufacturer. Transport, insurance and unloading are
yours from then on.
There is nothing dishonest about it. It is a normal delivery term and
plenty of companies genuinely prefer to arrange transport themselves. The only
dishonest thing is comparing two quotes with different terms as if they were
the same.
On a machine costing a hundred thousand euros this is not small change.
Transport across half of Europe, insurance, a crane to unload,
an engineer to connect it and training for the operators easily come to
fifteen or twenty thousand euros together.
Here is what I suggest. Make yourself a table of six lines: transport,
insurance, unloading, installation in the plant, connection, training.
Send it to every supplier and ask them to fill in the numbers, even if they
are zeros.
It takes two days, and from then on you are comparing one number instead of
five.
A good answer sounds like
The quote has its own line for transport, for installation at your plant and for training, even if the number in it is zero.
Prick up your ears when
A machine price with not a word about delivery terms. Ask about the delivery term and about who unloads the machine.
The cost of not askingEUR 15,000 to 20,000 outside the machine price
Question 12, delivery and money
The empty space under the last line
Ask it like this: What is not in the price?
It is the only one of the twelve questions nobody will ask on your
behalf.
I am sitting opposite you with a number in the quote. That number is true.
Except it is true about what is in the quote, not about what is not.
The best buyers I have dealt with all did the same thing. They turned the
quote round, pointed at the empty space under the last line and asked: what
else goes here?
One of them said something I still remember. I do not trust numbers
I understand. I trust numbers where I know what is not in them.
So here is mine, so you do not have to drag it out of me. Our quote does
not normally include the compressed air supply to the machine, the electrical
connection, extraction, floor work, and a new compressor if the existing one
turns out not to be enough.
We do not supply those because your own electrician will do them better and
cheaper than an engineer travelling in from abroad. But you have to allow for
them, and that is why it is written here.
The most expensive item in a quote is almost always the one missing from
it. That goes for our quote as much as for anybody else's.
A good answer sounds like
The supplier lists on their own what you are arranging: air supply, electrical connection, extraction and any building work.
Prick up your ears when
You hear that everything is included. It is not. Something always stays with you, and the only question is whether you find out now or in May.
The cost of not askingthe air supply and the electrical connection at your own cost
And one last thing from this side of the table
I put all twelve questions here so that you would ask them of me as
well.
It looks like a gesture, but it is not. There is something in it for me
and it is fair to admit it. A customer who asks questions decides more slowly
and then stays with the decision. A customer who does not ask decides quickly
and calls me a year later to say something is missing.
And notice one more thing about that table at the front. Nothing in the
right-hand column can be shown to anyone after a purchase that went well.
Ask in time and it simply does not happen, and what did not happen does not
get told around the company. The only purchases anyone sees are the ones that
went badly, which is why we all learn from those, and expensively.
In twenty years I have worked out one thing. The best jobs never started
with me convincing somebody. They started with somebody asking me something
I then had to spend two hours finding the answer to.
So ask. I pick up the phone at half past four on a Friday as well.
Petr Bernard
Appendix 1: What to have ready before you send the enquiry out
Nine things every supplier will ask for. With them together you get quotes
that can be compared with one another. Go through the third and fourth line
before you have the mould made, because the shape of the joint is drawn into
it and every later change costs money.
- A drawing or a 3D model of the part, or a photo from your phone.
- The material of both parts, including filler and recycled content.
- What the joint has to do: tightness, strength in newtons, appearance.
- How the joint is drawn, and whether the mould is already finished.
- Annual volume in pieces and the number of shifts you want to run.
- The date you need to be in production, not the date you want the machine.
- Whether other sizes of the product exist or are being planned.
- Free space in the plant: footprint, height and the nearest services.
- Who will operate the machine and who will maintain it.
Appendix 2: What to have itemised in the price
Have every quote broken down into these items. A missing one is not free,
it is paid for later.
- The machine in the configuration under discussion.
- The tool for the first part.
- The tool for a second shape, if one is coming.
- Transport and insurance.
- Setting the machine up at your plant and connecting it.
- Training the operators and the maintenance staff.
- Documentation in Czech or English and the declaration of conformity.
- A set of spare parts for the first year.
- Acceptance at the manufacturer and acceptance at your plant.
- The warranty, and what it does not cover.
Who will pick the machine for you
My name is Petr Bernard and I supply machines
for welding plastics and lines for blister packaging to Czech and Slovak
plants. I have been doing it for over twenty years and you deal with me from
the first question to a service call eight years later.
I am not tied to any brandI represent several European
manufacturers. I pick the technology to suit your part, not to suit what
I happen to have on offer. And if the dearer machine is the right one,
I say so too.
You do not pay for capacity you will never useI ask what will
actually run on the machine before I ask what it should be able to do. More
than once that has ended with a customer buying a smaller and cheaper machine
than the one they came for.
I will also tell you a machine will not pay offAt a few thousand
pieces a year a machine at EUR 40,000 will not pay for itself. In that case
I point you elsewhere. Losing one order is cheaper than selling a machine that
stands idle.
Call or write
+420 777 981 981
info@tp-t.cz · www.tp-t.cz
Petr Bernard, TECHNOLOGY PRODUCT TRADE,
KubelĂkova 70/1, 779 00 Olomouc, Czech Republic. Send a photo of the part,
the material and a rough annual volume. Within 48 hours you know which
technology will join it and what order of magnitude we are in.
The stories in this guide are written so
that they cannot be traced to a particular company or a particular order. You
are welcome to print the guide and pass it on to colleagues. Tables of
weldability, joint design and a glossary for reading foreign quotes are on
tp-t.cz under Tools, free and without registration.