Practical Ways to Increase Productivity in Metal Fabrication Shops

Industrial worker using a grinding wheel on structural steel during metal fabrication to improve workflow efficiency.

Every business owner asks the following question once: Where has the time gone? In setting up machines, moving materials, and changing tools, time flies by quickly. How can metal fabrication shops significantly increase productivity? Improving workflows and selecting tools and suppliers that know the demands of production. 

Maxwell Products Corp. has many years of experience providing support to fabricators not only in Pennsylvania but throughout the country, and this blog guide tells what makes a real difference in metal shop productivity.

How Metal Shop Productivity Begins at the Basics

Before thinking about investing in advanced automation, most metal shops can make progress by addressing common issues. Unintentional tool misplacements, worn-out abrasives, and inefficient ordering processes take up much more time than you think. To increase shop productivity, it is necessary to address minor problems as seriously as major capital investments, since all such delays accumulate daily.

The shops that only reorder abrasives and consumables once they have run out often end up paying rush shipping fees and downtime associated with a lack of supplies. Even such a simple thing as establishing a minimal threshold for reordering helps keep everything flowing without making a five-minute delay drag into a half-a-day one.

What Tools and Abrasives Help Save the Most Time Daily?

Using the proper consumables makes a larger difference each day than many operators realize. Consumables that correspond to the metal type and finish requirements decrease the number of passes and increase efficiency. Using abrasive types on stainless steel and mild steel that do not suit those metals costs an operation far more time than they realize.

  • Flap discs with the right grit for blending welds and not grinding wheels that take off too much material.
  • Cutting wheels appropriate for thin-gauge steel so as not to produce excess heat and warping.
  • Non-woven finishing discs for preparing surfaces for coatings and polishing.

Using consumables suited to the task as opposed to whatever happens to be at hand allows operators to keep working rather than adjust for improper products.

Why Does Proper Tool Selection Reduce Machine Downtime?

It is rare that machine downtime is due to a single catastrophic event. Most often, it results from numerous small problems such as wheels wearing out faster than anticipated, bits overheating, or discs vibrating and requiring a reduction in speed by the operator. 

Choosing tools that are appropriate for the real material thickness, hardness, and finish, like quality metal fabrication abrasives, ensures that stress is minimized on the machines and on the operators. The machines become less hot, parts will have a better finish, and fewer stoppages will be required during production for tool replacement and repair.

In What Ways Will Utilizing Local Suppliers Enhance the Efficiency of the Shop?

The decision of what is being sourced is much more likely to affect the schedule than many shop managers believe. If you ask, how can working with local suppliers improve shop efficiency? The answer to this is simple: if a supplier can answer calls, understands local demands, and holds inventory tailored to the demands of a customer, then that will prevent the sort of disruptions that stop a production line.

Using a local supplier with whom you build a business relationship ensures that consumable goods are quickly replaced, surprises are kept to a minimum, and the pricing is geared towards purchasing power and not simply the catalog price.

Three habits related to structure that preserve day-to-day productivity:

In addition to tools and procurement, there are certain work-floor habits that have been reliably seen to distinguish efficient processes from inefficient ones.

  • Establish tool storage routines so that workers spend seconds, rather than minutes, finding the appropriate disc or drill.
  • Plan preventative maintenance rather than react to machinery failure with a forced shutdown.
  • Identify the consumables used in each type of process, determining which are leading to the most rework.

Significance of Training in the Productivity Formula

While equipment and materials alone can take one only so far, trained personnel will result in less wastage due to fewer mistakes. An effective training session focused on selecting the right tools and setting up machines correctly will be well worth the time invested because it will save one from wasting precious time guessing what the right tools should be.

  • Assign inexperienced operators to experienced personnel when making setup changes for the first time.
  • Place charts with abrasive recommendations according to materials next to machines.
  • Check scrap/rework rates once a month to identify training needs.

Measuring Gains in Productivity Over Time

Productivity gains can be tracked without fancy software programs and analysts. Simple tracking of the scrap rate per week, how often tools and abrasives need to be replaced on average, and hours of downtime due to unexpected machine stops will show a business owner how things have changed after improvements are made. Without such information, it may seem like something is going right, while it's just the bad month passing, or even the opposite; there could be a useful adjustment happening unnoticed.

Monthly review of such metrics also helps to distinguish actual trends from regular fluctuations in the work process. Just one bad shift does not mean that a change in abrasives or a partnership was unsuccessful, while declining rework and machine stops for three months clearly indicate the success of a change.

Effects of Workstation Layout on Cycle Time Behind the Scenes

The amount of space that exists between a cutting station, grinding bench, and a material rack is not always considered, but this distance significantly affects the number of parts processed in a shop in an hour. Travel time between walking fifteen or twenty paces to change a disc or take a part to a different station accumulates over hundreds of parts. 

In addition, a review of such a layout reveals some bottlenecks that are not easily found in a production report. Thus, for example, a grinder located too close to a cutting station may cause bottlenecks as well as the necessity of waiting for the operator to finish their job. It is not rare that the true bottleneck becomes visible when an engineer walks through the shop and analyzes the workflow or when they talk to the operator and find out the reason for losing time.

Creating a More Efficient Metal Fabrication Floor

It’s rare that an increase in productivity can be attributed to one factor. Productivity increases result from small, continual decisions: choosing the right abrasive, selecting the proper tools for the machines, and dealing with a supplier who understands inventory as a collaboration. The shops that focus on these little things end up having fewer mechanical failures, fewer scrap materials, and improved daily output.

At Maxwell Products Corp., our commitment is to help fabricators with reliable inventory and personalized customer service. This is the component that many shops are lacking in order to become truly efficient. 

Visit our website to learn more about us and our reliable services.

FAQs:

What is the frequency of replacement of grinding wheels and flap discs in a productive workshop?

The frequency of replacement is determined by the type of usage; however, when the disc becomes worn and starts vibrating or shedding grit fast, it is better to replace it before the next work, as it will reduce the productivity of the worker and the quality of finishing.

How does a flap disc differ from a grinding wheel in the process of weld blending?

The flap disc has a less destructive effect and results in a smooth surface, and thus is recommended for blending operations. The grinding wheel should be used only for stock removal.

Is there any possibility that the improper abrasive will cause some damage to the fabrication equipment?

Yes, excessive vibration and heat caused by inappropriate abrasives will cause gradual destruction of the spindles and bearings of the grinder.

How can maintaining a reduced, controlled inventory make your fabricating shop more efficient?

An organized inventory of the right materials saves space and time searching, while a consistent supplier will make sure that you don’t experience any shortages and have your supplies in time to complete a project.

Can one consider changing abrasive types when they are working just fine?

One should definitely consider whether they have not been improving their rework rates, disc life, or finish quality, as a properly selected abrasive type for the material may save many labor and material hours.

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