Hey, has your boss just made a decision to put on the speed chain production line, and as a result, a bunch of sales calls have been received, and a bunch of quotations have been received - from 50,000 to 500,000? The heart drums straight: this thing is wrong, the assembly line into a "bleeding line", a year of profits have to be taken into account! Don't panic, today we will nag some real, teach you to use theThree Tips for Avoiding Pitfalls + Customised Solutions Breakdown, newbies can be veteran drivers too!
The first move: don't trust the qualification case, to dig the "black history".
Sales blowing up?Get him to pull out the real thing!
I've seen too many factories being pitched: the manufacturer said "for Gree has done the line", but the result is to supply a few screws! Teach you three tricks to check the real thing:
- Ask for videos, not photos.: let him sendWorkshop shooting assembly line running videoIf you have to listen to the chain noise - like a tractor rattling - just pass!
- Check the "black history" of the client.Ask for details of the co-operation, for example, "When you say you serve Tennant Batteries, what is the name of their production line supervisor? Who can I call if I have a problem?" If you can't answer the question, 80% of them are watered down.
- Unannounced workshop visits: Don't make an appointment! Suddenly kill the factory to see three o'clock:
- Is the solder jointUniform fish scale pattern"A welder with shaky hands can't make a precision rail.
- There's no grease on the floor.(Oil leakage from equipment indicates poor sealing)
- How many masters are there?(assembly line assembly is all about experience)
To cite a negative example: an electronics factory gullible "German technology", the results of the chain run off to scrape millions of chips - only to find out later that the manufacturers evenLoad Test ReportThey're all fakes.
Tip 2: Parameters are not a numbers game, a difference of 1cm pits people to death!
You think the height of the wire body is random?Workers' loins are protesting!
Last year, a power plant was planted here: the height of the line body is set to 1.1 metres, workers tiptoe every day to install parts, defective rate soared 40%!
parameters | Newcomers are prone to stepping on pitfalls | Golden Rule | Lessons from real cases |
---|---|---|---|
Line width | Blindly choosing the width "to show the atmosphere" | Parts width + 20cm buffer strip | An auto parts factory 1.2 m line card small parts, annual maintenance costs more than 300,000 yuan |
Line Height | By equipment, not by people. | Optimum operating height for Asian workers 85-95cm | Home Power Plant Workers Collective Lumbar Strain Claims |
Line length | The longer it is, the better it is. | Over 50 metres must be driven in sections | Food factory conveyor belts run off course and stop 3 times a month |
Focus on heightThe assembly line is not a refrigerator - it can't be "just about right"! Asian adult elbow natural sag is about 90cm, you let 1m6 workers enough 1m1 workstation, the equivalent of forcing people to lift dumbbells 800 times a day! Conscientious manufacturers will matchAdjustable feetThe price is 5% but the efficiency is 20%.
The third trick: low price set deep, sign the contract = into the pit?
Offer to cut 30%?Be careful to save back from the chain!
A mineral water plant is greedy for a cheap choice of 80,000 basic models, the results of the pickling workshop in the chain for three months rusted to slag! Break down the low price set to see these three places:
- shrinkage of material::
- Said to use "national standard aluminium profiles" → actual recycled material recycled aluminium (fatigue resistance difference of 3 times)
- Labelled "imported chain" → labelled small workshop goods (disassembled to see the chain piece without laser marking)
- Configuration castration::
- Drive motor labelled 3kW → actually dismantled and refurbished (listen for intermittent humming during operation)
- Elimination of the tensioning device → the chain runs looser and looser (tightening 3 times a month exhausts the maintenance man)
- lit. mines laid after the sale (idiom); fig. buried charges after the sale::
- "Lifetime Warranty" → Change Chain Charge Sky-High Labour Fee
- "Package installation" → additional travelling allowance for people on site
Suggestions in blood and tears: Have manufacturers itemise quotes! Focused ComparisonThickness of guide rails(Heavy duty line not less than 3mm).Motor Brand(SEW/Siemens preferred).warranty period(Core components less than 2 years straight away)
A four-step deconstruction of a bespoke solution: from need to landing without stepping on mines
Don't get carried away by sales!Hands on to take control of the initiative
Step 1: Make your own list of needs (to prevent being fooled)
Take out your mobile phone to take video of the existing production line and highlight the records:
- How much does the heaviest workpiece weigh?What? Maybe 10kg in an electronics factory, 500kg in an automotive factory.
- Workers bend over a few times? Is the position of the solder joints to be lifted up and down the table
- There is no vapour in the workshopFood factory has to choose food grade stainless steel chain. Food factory has to choose food grade stainless steel chain
Ask yourself: will I double my capacity?
Answer.Reserve 20% expansion space! Confirm if the motor power can be upgraded, don't wait for a blowout order to remove the whole thread!
Step 2: Programmes should be "actionable", not PowerPoint.
Key actions: Requirement to do3D dynamic simulation! Stare at three points:
- Turning radius ≥300mm (otherwise the pallet is easy to turn over)
- Climbing with anti-slip teeth (must be added for gradients over 15°)
- Emergency stop buttons every 10 metres (hard safety norms)
A photovoltaic plant to save this step is a big loss: the programme map did not mark the location of the column, equipment into the field found blocking the fire escape!
Step 3: Focus on four key phrases in the contract
- "Load test report attached" (1.5 times the nominal load bearing capacity to be considered as passing)
- "Includes installation and commissioning and personnel training" (specify how many people will be trained for how many days).
- "Failure response ≤ 24 hours" (indicate if travelling time is included)
- "Warranty of core components ≥ 8 years" (Dongguan Yuansheng dares to write so)
Step 4: Don't go overboard with acceptance play really
There are three things you must do.::
- move (sth. relatively heavy or bulky)Actual heaviest workpieceRunning for 48 hours (to see if the chain will stretch and deform)
- Sudden power failure and reboot (see if it resets itself)
- Splash of water to simulate humidity in the workshop (to check if the motor protection class is IP54)
personal viewpoint
Having worked in production line planning for more than ten years, I am most afraid of meeting two kinds of people: one is theThe contract was signed on the basis of the unit price only.-- not enough money saved to pay for the loss of the shutdown; the other isBlindly worshiping "imported" ones--Japanese chain rusts as usual when it gets to the pickle shop! Remember that.Good manufacturers can withstand "surprise visits + detailed interrogation".The fact that Yuan Sheng dares to guarantee 8 years and Guangliang 24 hours door-to-door is the hard power. The next time you encounter sales bragging, directly throw a sentence: "Give the Great Wall Motor to do the quality inspection report shoot me to see?"