Inefficient and outdated stamping equipment can cause production bottlenecks in your stamping operations. These bottlenecks can result in significant downtime and backlogs, which we all know can affect your bottom line in a significant way. One of the most common culprits is the use of fixed-stroke mechanical presses that are only optimal for the type of forming for which it was designed. The Hidden Cost of Fixed-Stroke Mechanical Presses Repairs & Downtime Leading to Bottlenecks In the metal forming industry, efficiency is one of the most critical factors. Yet, many shops are handicapping their productivity levels by relying on separate fixed-stroke mechanical presses for different types of forming. This approach may seem perfectly logical, but it introduces significant vulnerabilities—primarily in the form of increased downtime due to maintenance, repairs, or the need for press replacement. Real-World Scenario Consider this typical scenario in a contract job shop equipped with one blanking press and one punch press. When the blanking press unexpectedly fails, operations grind to a halt with no immediate backup available. Fixed-stroke presses, by their design, lack the flexibility to optimally adapt to varying tasks, leading to operational bottlenecks and forced downtime during critical repair periods. Unfortunately, a fixed-stroke press does not offer the versatility of an adjustable stroke press. So, when one press is down, you have no backup. This causes backlogs and forced downtime while you wait for repairs or a replacement. The Implications of Making a Job Work If you operate with the mindset of we purchased a press with a longer stroke, so we can have the flexibility to run multiple jobs in one press you could be leaving money on the table and exposing yourself to the problems that were just discussed above. Using a longer stroke than necessary for a given application can lead to the following: Increased tool wear and premature breakages thanks to the higher impact velocity that comes from using a longer stroke. More dynamic forces within the press frame can drastically shorten the overall lifespan of your press. Less than optimal production caused by the increased time needed for the ram to travel the necessary distance to form the part. In summary if you are using a stroke that is longer than necessary you could significantly be affecting your bottom line and leaving money on the table due to unnecessary wear and tear on your equipment. The Strategic Solution?: Embracing Adjustable Stroke Press Technology The transition to adjustable stroke technology represents more than just an operational upgrade—it's a strategic move towards improved efficiency, flexibility, and resilience in your metal stamping operations. By reducing bottlenecks associated with fixed-stroke limitations, you not only streamline your production processes but also position your shop to better respond to the shifting demands of the market. Leveraging Adjustable Stroke Presses for Operational Efficiency More efficient floor space utilization: By replacing several fixed-stroke presses with a single adjustable stroke press, you can increase your available floor space. This space can then be repurposed for additional operations, storage, or even new machinery, further enhancing your shop's operational capabilities. Maximizing the return on your investment: With an adjustable stroke press, you can produce more parts per minute and reduce the wear on the press frame and tooling from an unnecessarily long stroke, resulting in less downtime and repair costs. See how an adjustable stroke press can improve your ROI Conclusion - Make Fixed-Stroke Presses a Thing of the Past In summary, while the investment in an adjustable stroke press may seem significant, the long-term benefits—operational flexibility, reduced downtime, enhanced floor space utilization, and a stronger ROI—make a compelling argument. As the metal forming industry continues to evolve, shops that embrace these versatile technologies will benefit from greater efficiency and productivity. To learn more about how an adjustable stroke press can transform your operations and mitigate production bottlenecks, visit our website or contact us for a personalized consultation. Discover the difference flexibility can make in your metal forming success.
Recently, ART Metals Group (ART) shared their experience with us. If you’ve ever doubted whether an adjustable stroke press has the ability to positively affect your company’s bottom line, you’ll want to keep reading this case study about how an adjustable stroke stamping press drives business growth. Chad Wyan, Director of Engineering at ART, located in Fairfield, OH, had a problem. ART was receiving a lot of requests for short-run production jobs and could not take them because of high tool costs in relation to the job size. Chad’s solution? A low-tonnage adjustable stroke press from Sangiacomo Presses. ART purchased a Sangiacomo T-50 C-frame flywheel punch press. This press is well suited for applications with higher production speeds for increased productivity, such as blanking and stamping. The T-50 C-frame press features the following, plus standard features not listed here: 15.75-inch max die height (table to ram distance) 140 strokes per minute (variable speed available as an option) 0.47-4.33 inch adjustable stroke length 2.76 ram adjustment (slide adjustment) 500 kN max pressure (capacity) Chad explains, “Since I joined the company, we were seeing estimates with a lot of lower volumes that didn't justify a multi-out approximately $50,000 tool to run 10,000 pieces a year. With the Sangiacomo press and the lower tonnage press, we decided we could make a single-out tool where we could interchange some components in one master die, make various parts with that tool, and be competitive on these lower volume quotes that nobody else really wants. So, even if it was a lower volume quote that nobody else wants to take, we can increase margin and lower tool costs, and it made good business sense.” Chad continues, “The adjustable stroke was key, giving us the ability to take a variety of parts and put more parts into that press than if I went with, say, a straight-sided press. With a straight-sided press, we would need to slow down the speed and go with a larger stroke to accommodate the same amount of parts.” “Once I could show that I can cover 80% or 85% of the quotes we're seeing that we typically just no-quote or pass on, and have the opportunity to bid on them and win some new customers, along with adding more business with existing customers, then higher management was all in on the adjustable stroke Sangiacomo press”, Chad explains. “Probably the other big thing about the Sangiacomo Press was the adjustable stroke on the press because we do mainly round work, but we do a large variety of it, and we kind of did the master die concept.” “Looking at it, we could run pretty much anything under four inches in diameter. And with the adjustable stroke, I can run faster on the smaller parts and slower on the larger parts, but I've got the flexibility to go between the two. Some of the other presses we have here are fixed strokes, so I'm running say a one-inch part, but I've got a six-inch stroke. Obviously, I'm wasting a lot of time. I'm only running 70 strokes a minute whereas, on the Sangiacomo adjustable stroke stamping press, I can crank it up to 180.” “So, with the feed line and everything, it fits into our existing floor plan. Now that we have it here, everybody likes the less expensive tooling. We can get a part into production in a lot quicker lead time because I'm not building a big die”, concludes Chad. Click here to see the full technical data on the Sangiacomo T-50 C-frame flywheel press. To view the full line of Sangiacomo presses, download our product brochure. Check out other time-saving and productivity-increasing advantages of an adjustable stroke press here. For more background on this story, check out this article that was featured in the September 2022 issue of MetalForming Magazine, written by Brad Kuvin. About ART Metals Group ART Metals Group is a full-service global supplier of precision metal stamping and assemblies, thrust bearings, and coining services. Based in Ohio, they serve numerous industries of Auto, Truck, Bus, Solar, HVAC, Military, AG, and more. ART specializes in providing quality products produced on time and under budget. Check out some of their past projects here. Interested in making ART your supplier? Contact them here: Email: sales@artmetalsgroup.com Phone: 513-942-8800 Fax: 513-942-3200 Address: 3795 Symmes Road, Fairfield, OH 45015
In a previous article, we discussed why using the shortest stroke possible yields the best results for the parts formed on a stamping press. Many stamping operations don't operate to their full potential. If it gets the job done, why change anything, right? Not exactly... In this article, we'll explain some common reasons for these less-than-ideal conditions as well as ways to overcome obstacles to implementing improvements in your stamping operations. Reasons for less than optimal conditions Biases and assumptions in the tool design or equipment selection are causes that are difficult to detect and change. More obvious reasons for less-than-optimal stamping processes are: Equipment is not used for its intended purpose: Make a job work on equipment available Purchased equipment that “would do the job” Purchased new equipment at discounted price Repurposed existing equipment 2. Operating conditions/Trade-off values have changed dramatically: Production Volumes/Lot sizes have changed significantly Product Specifications/Part tolerances have been tightened Production requirements for quality, certifications, packaging, and delivery have changed 3. Equipment is outdated: Newer technology not utilized Automation Lack of spare parts Decreased serviceability 4. Equipment lost its precision from when it was new: Damages due to operating error Material fatigue, improper repairs Normal wear Past modifications How can stamping processes be improved? Efforts to optimize start with an open mindset and a willingness to allow discoveries to effect change. It requires an environment where assumptions are replaced with reason, and prior decisions are re-evaluated based on changes in the operating conditions. Hiring an outside expert that provides unbiased analysis and technological insights can be helpful. Sometimes simple remedies can make a significant difference. If this article was helpful, please let us know by subscribing to our newsletter to get instant notifications whenever a new blog post is published. Our sales team is always happy to answer any questions and discuss your stamping needs. Contact us today!