A mold repair technician&#;s job has always been to make molds run&#;anyhow, any way. Intangibles such as technique, methodology, maintenance efficiency, accountability, and continuous improvement have never been much of a factor in assessing the performance of a custom repair facility, a proprietary mold repair shop, or an individual&#;s skill level. Performance was based on missed production schedules&#;period. Today, however, any company seeking to sharpen its competitive edge realizes that keeping molds production-ready and reliable is much more dependent upon proactive maintenance measures than reactive habits.
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To implement an accurate, efficient repair and to optimize downtime hours, repair technicians must have access to data that lets them quickly evaluate the mechanical and performance characteristics of any mold on which they work. Repair technicians should not be expected to recall from memory data relating to specific issues of maintaining and troubleshooting a stable of expensive molds. To do the job effectively, they need to know not only the smallest details such as minuscule tolerances and stack dimensions, but also the predominant long-term issues molds suffer as a result of design or construction features that cause problems during production or maintenance.
In today&#;s economy, it is becoming more common for the customer to be asking these questions of their mold vendors, because they want to know exactly what is going on with their half-million-dollar mold and how their repair dollars are being spent.
Still, many shop supervisors feel that if nothing is broken right now&#;then all is well. But to make continuous improvements in mold maintenance and repair, the supervisor must be able to measure performance, and then set targets and goals for molds and personnel.
I am often asked what are the most important areas of mold performance and the maintenance criteria to be used by repair technicians, managers, supervisors, and customers. Here are 10 questions that will demonstrate the current level of data utilization in your company, in terms of data that is readily available for a repair technician, supervisor, manager, or engineer to use on a daily basis. The answers to the first three questions are critical for any hope of improvement and are needed to determine targets and set goals. If you can&#;t answer the first three, you needn&#;t continue on, because the following questions just drill deeper into your mold knowledge database.
1. What is your #1 reason for unscheduled mold downtime and what is the cost?
a. What is the total count and type of the most common unscheduled mold-stop reason?
b. What is the mold distribution for the #1 unscheduled mold stop reason? (Is it related to a particular mold style, product, or press?)
c. What is the time and personnel correlation with the #1 unscheduled mold stop reason?
d. What are the related corrective actions and costs (of tooling and labor) for resolving the #1 unscheduled mold-stop reason?
2. What is your #1 mold or part defect or quality issue?
a. What is the total count and type of that defect?
b. What is the mold distribution of the defect? (Mold style, product, or press related?)
c. What is the cavity I.D. or mold position of the defect? (Is it position related?)
d. What are the related corrective actions and costs (tooling and labor) for resolving the defect?
3. Which is your mold with the highest maintenance costs (per hour or cycles of run time)?
a. What is the mold description, style, and product?
b. What are the types of defects and frequencies for that mold?
c. What type of tooling is used by that mold?
d. What type of corrective actions are required for that mold (cleaning, replacement, reworking, restacking, shimming, etc.)?
e. What are the related corrective actions and costs (tooling and labor) for that mold?
Answers to the next three questions provide data for supervisors to better schedule mold repairs and match repair skills to job complexity&#;i.e., optimize downtime hours.
4. What are the average repair hours for each mold during the following:
a. Wipe-down level cleaning (level 1)?
b. General level cleaning (level II)?
c. Major level cleaning (level III)?
5. What is the workload of each of your mold technicians?
a. How many molds does each repair?
b. What types of molds does each repair&#;i.e., mold styles, products (a measure of repair skill)?
c. What is each technician&#;s mold-repair efficiency? Do their molds always start up with 100% efficiency and no quality or production issues?
d. What are the average corrective action costs (labor and tooling) for each technician?
6. What is the total workload and mold-repair pace of your shop?
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a. What is the total count of molds repaired?
b. What types of molds are repaired (mold styles, products)?
c. What are the average labor hours per repair?
The next four questions provide supervisors and technicians the necessary data to look farther down the road to recognize and monitor trends and patterns so as to budget more wisely.
7. What are your top 10 molds with the most unscheduled downtime events?
a. What are the types and frequencies of unscheduled mold-stop reasons?
b. What is the mold distribution for the unscheduled mold-stop reasons (mold style, product, or press related)?
c. What is the time and personnel correlation with the unscheduled mold-stop reasons?
d. What are the related corrective actions and costs (tooling and labor) for resolving the unscheduled mold-stop reasons?
8. What are your top 10 mold or part defects overall?
a. What are the defect types and frequencies?
b. What is the distribution of the defects (mold style, product, or press related)?
c. What is the cavity I.D. or mold position of defects (position related)?
d. What are the related corrective actions and costs (tooling and labor) for resolving the defects?
9. What are your top 10 molds with the highest overall defect count?
a. What are the defect types and frequencies?
b. What is the mold distribution of the defects (mold style, product, or press related)?
c. What is the cavity I.D. or mold position of defects (position related)?
d. What are the related corrective actions and costs (tooling and labor) for resolving the defects?
10. What are the top 10 molds with the highest maintenance costs (per hour or cycles of run time)?
a. What are the mold descriptions, styles, and products?
b. What are the defect types and frequencies?
c. What types of tooling are used by these molds?
d. What types of corrective actions are required (cleaning, replacement, reworking, restacking, shimming, etc.)?
e. What are the related corrective actions and costs (tooling and labor)?
Steven Johnson is the maintenance systems manager for Progressive Components and has his own business, MoldTrax, in Ashland, Ohio. He can be reached at or (419) 289-.
When it comes to finding the right company to become your plastic injection moulding partner and handle your injection moulding manufacturing project, there are several key areas to bear in mind. From quality standards and testing to customer service and how willing they are to offer customised work. The more questions you ask at an early stage, the better informed you will be. Asking the right questions also helps the plastic injection moulding company ensure they can offer the right range of services to meet the customer&#;s brief.
Here, in no particular order, are ten questions that plastic injection moulding partner companies wish their customers would ask when making contact, presenting their brief and working out the fine details of their order.
As a general rule, the higher the number of machines a company has available, the more work they can take on &#; and the higher the capacity they can handle. This is important if you have a larger-scale project requiring bigger volumes of components, or multiple different patterns, colours, shapes and other variations in design.
If you are looking for a &#;one-stop-shop&#; where the whole process can happen under one roof, from initial design concepts to production and quality testing, this is an important question to ask. If you need to go elsewhere to fulfil different aspects of your order, this can increase costs, complicate logistics and seriously delay production times. Try to ensure that your plastic injection moulding partner can support all the stages of your process.
Professional certifications, qualifications and industry awards all show that a company has invested in training, infrastructure and professional assessments to help them achieve the best possible results. Safety-related certification in particular offers reassurance that quality standards and HSE protocols are taken seriously and fully adhered to.
This may not matter hugely to potential customers with a more generalist project in mind. However, some sectors require highly specialist, technically complex components for their applications. In these cases, knowing that you are working with a plastic injection moulding partner who understands the specific challenges of your industry can be hugely reassuring.
While the priority for most plastic injection moulding projects &#; if not all &#; is the quality of the finished products, securing the best deal is also important for the financial bottom line. It is always worth seeking prices from more than one company to compare them. However, don&#;t forget to check what each quoted price actually covers so that you are not hit by unexpected additional costs further down the line.
When a company is willing to offer a life-long guarantee, this shows that they trust in their processes and the quality of their moulds, materials used and overall finished results. If a plastic injection moulding company is unwilling to stand by their work with a guarantee of this nature, it is wise to delve deeper into the reasons why not.
This is often a &#;make or break&#; area of negotiations, especially when the components being ordered are part of a larger supply chain of their own. Delays in one area of a project can have significant impacts on the overall success &#; and budgets of the whole operation. Make sure that your plastic injection moulding partner can fit into your required timescales &#; and stick to the agreed deadlines.
There is a huge range of thermoplastics and other materials and processes that are used in plastic injection moulding. While some customers will know exactly what they need to achieve the desired results, others may benefit from some expert guidance from the plastic moulding injection company. Such advice can often help save money and time for customers &#; and introduce new approaches and ideas they had not thought of before.
With growing focus on how businesses reduce their carbon footprints and adopt sustainable practices, it&#;s crucial to know what each company is doing to lessen its environmental impact. Companies that have strong eco-friendly policies will be eager to share their efforts with potential customers.
This is possibly the most important question to ask your plastic injection moulding partner but one that is often overlooked. After all, you are working in partnership with them to ensure that the final product matches your initial brief and is fit for its intended purpose. So, being willing and able to offer details, ideas, resources and authorisations as needed can help keep the project on track.
If you are looking for a plastic injections moulding partner company who can answer all these questions and more, get in contact with Adreco Plastics and see what we could do for you.