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What causes delays in delivery for specified colors? The situation regarding paint procurement.
I will specifically explain the reasons why specifying a particular color number extends the delivery time and how to determine colors that shorten the delivery time.
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What is the reason for being asked to provide a component list? Paint SDS.
The client requested a paint ingredient list. This is in preparation for the expansion of the scope due to legal amendments and to ensure that shipments do not stop.
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What is the reason for not being able to use the same paint as before? Consolidation of brands.
The specified paint has been discontinued, and a successor product has been recommended. I will explain the procedure to avoid color differences during the transition.
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What are the reasons for failing the client inspection? Aligning perspectives on pass/fail.
Even good products are rejected by customers. This is a method to eliminate judgment differences by aligning the standard samples and inspection conditions.
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What causes the color to change between prototype and mass production? Transfer of conditions.
The color approved in the prototype changes in mass production. I will explain the specific methods for transferring conditions from prototype to mass production.
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What causes a decline in quality with short delivery times? Processes that cannot be eliminated.
In urgent cases, the number of defects increases. We will differentiate between the parts of the painting process that can be shortened and those that cannot.
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What causes peeling when applied to plated items? Identifying the substrate.
When painted over the plating, it peeled off. This explains the adhesion conditions for each type of plating and the points to check before acceptance.
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What causes the difference in color between iron and aluminum? How to match the material differences.
Even though I painted with the same color number, the appearance differs depending on the material. I will explain how to match the colors of the combined parts.
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What is the reason for being unable to produce colors that only have color samples? Steps for color mixing.
There is no color number, only a physical color sample. This explains the procedure for color matching from the actual sample and the necessary information.
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What are the reasons for failing at the client? Procedures for reprocessing returned items.
The delivered painted products were rejected during inspection. I will explain the procedures and criteria for repairing peeling and re-coating without discarding them.
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What are the reasons for not being able to obtain rust prevention? Alternatives and pretreatment.
What to do when the arrival of rust-proof paint stops. This explains how to ensure rust prevention during pre-treatment and alternative considerations.
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What is the reason behind the continuous price increase of paint? The chain of naphtha.
We will organize the reasons for the continued price revisions of paints in relation to the flow from crude oil to resins and explain the impact on unit prices.
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What is the cause of the lack of thinner? The situation in the Middle East and the shortage of solvents.
The desired amount of thinner has not arrived. I will explain the chain from crude oil to solvents and the measures that can be taken on-site.
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What are the reasons for defects occurring during the first order with a new outsourcing partner? Aligning conditions.
The first lot produced after changing the outsourcing partner has defects. We will specifically organize the conditions that should be met during the transfer.
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What is the reason for the fear of dependence on a single company? Secondary suppliers.
I will explain the risks of having only one supplier for painting and the steps to smoothly establish a second supplier.
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What is the reason for not being able to request only painting? Pre-treatment and consistent process.
I want to outsource only the painting, but I'm being refused. I will explain the reason why separating the pre-treatment cuts off quality responsibility.
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What are the reasons for being rejected if large items do not fit? Furnace and booth dimensions.
I can't find a painting destination for large parts. I will explain the dimensional constraints of the furnace and booth, as well as the values that need to be verified.
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What are the reasons for not receiving a quote after sending the drawings? Six missing items.
I sent the drawings, but I haven't received the estimate back. I will organize the six pieces of missing information that the painting company cannot assess.
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What is the reason the subcontractor is not accepting new orders? Availability of furnace slots.
The existing painting subcontractor refuses the new part number. I will explain the reasons based on the available slots and the color change system.
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What are the causes of defects when newcomers paint? Three key points of education.
Even though it's the same procedure manual, only the newcomers are producing defects. I will articulate the three key points that are not written in the manual.
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What is the cause of increased defects when production is increased? Compression of drying time.
As the numbers increase, the defect rate skyrockets. We will identify which processes are prone to cuts using data.
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What causes things not to dry when the temperature drops? Thinner switching.
Despite having the same conditions as summer, the drying is poor. This explains how to review solvent selection and curing time during temperature drops.
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What is the cause of only the first batch of products in the morning being defective? Furnace startup.
Only a few defects occur right after the start of operations. I will explain the management methods until the furnace and booth reach a steady state.
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What causes the visible seams of overlapping paint? Management of paint transitions.
A line appears in the center of the large object. The occurrence of boundaries is suppressed by the overlap width of the gun and the time for applying the paint.
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What causes screws to not fit? Management of the coating thickness in the screw area.
After painting, the bolts do not fit. I will explain in detail the thickness of the paint film on the threaded area and the masking method.
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What causes parts to warp when heated? Measures against thermal deformation of thin plates.
When I took it out of the oven, the plate was warped. I will explain how to suppress thermal deformation caused by the difference in heating and cooling speeds.
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What causes paint to string? Viscosity and solvent balance.
Paint stretches and adheres like threads from the gun. The stringing is stopped by the viscosity and the evaporation rate of the solvent.
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What is the cause of the thin area around the hole? Static electricity and film thickness distribution.
The film thickness gauge is acceptable, but the coating is thin only around the hanging hole. I will explain the relationship between the escape path of static electricity and posture.
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What causes fingerprints to remain on the paint? Barehanded work and oil residue.
Even though I painted it neatly, the shape of my fingers is showing through. I will explain the mechanism of how the oil from the hands repels the paint film and the management of gloves.
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What is the reason for the uncertainty in the painting delivery schedule? Waiting for the batch in the curing oven.
Although the quantity is small, the delivery time is long. The cause lies in the batch unit of the baking furnace and the setup for color changes.
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