Tipco Inc. Introduction • Established in 1959 • Family Owned – Mr. Jack Tickins • Punches and Die Buttons • A Global Leader • Production plants in Canada, USA, Mexico, UK and Italy • Annual Sales - over $20Million • Employees - over 150 2 Locations 3 Head Office and Factory –Toronto, Canada USA Main Plant – Cincinnati, Ohio 4 Quality Certification 5 PUNCHES & DIE BUTTONS • Head Type Punches (ISO8020) • Ball Lock Punches (ISO10071) • Die Buttons - Press Fit & Head Type • Special Punches and Die Buttons 6 Blade Punches Special Retainers 7 Some Tipco Customers • • • • • • • • • General Motors Daimler Chrysler Ford Nissan Fiat Renault Whirlpool Electrolux Magna International 8 What Makes Tipco Your Best Choice? • SERVICE – Fast, Reliable • QUALITY – Excellent • EXPERIENCE – Almost 50 Years in Business • STABILITY – Financial Strength & Employee Loyalty 9 Technical Topics 1. Utilizing ISO8020 Head-Type Punches – a real advantage 3. Ball Lock Punches – an economical solution 5. Ejector Punches – eliminate problems 7. General Suggestions for Improving the Metal-Stamping Process 10 Head Type Punches • Here is a commonly used punch…the DIN9861-D • Old Design based on inexpensive tool steel • German standard • Aimed at close spacing • Relatively easy for a toolmaker to make up in case of emergency repair • Today it is still widely used thanks to the presence of European tools across the world • There is a better solution that saves the toolmaker time and money 11 The ISO8020 Head Type Punch • Standard Body Diameters – allows many incremental point diameters on just one body diameter. This allows toolmaker to machine pockets of equal diameters thus reducing preparation time. • Consistent Head Diameter and Thickness – Again this allows a toolmaker to machine the pockets for the heads much more quickly and efficiently. • Designing and Procurement -The above features also allow faster designing and easier purchasing • Let’s illustrate these points more clearly by examining the next slide… 12 Let’s consider that the die requires 3 punch diameters – 6.4mm, 7.0mm and 7.5mm • If the toolmaker chooses DIN9861 punches, he must prepare 3 different seats in the die as can be seen below • Not only does he have to drill 3 different hole diameters but he must also prepare 3 different head thicknesses (x,y and z) and thus 3 head diameters • If the toolmaker chooses an ISO8020 punch then he prepares 3 equal punch seats as can be seen below • He simply orders 3 punches with an 8mm body diameter…each having the required point diameters of 6.5mm, 7.0mm and 7.5mm 13 Ball Lock Punches • Invented for the Automotive market • Designed for “Quick Change” replacement of worn or broken punches • There is no need to disassemble the die – Punches can be changed while the die is in the press • Affixed to the die by being inserted into Standard Ball Lock Retainers that are “Interchangeable” within the industry • “Special” Ball Lock Retainers are often custom made to a customer’s requirements • Ball Seats (see figure below) are available in Light Duty and Heavy Duty 14 Ball Lock Punches Here’s how the Ball Lock system works: 15 Ball Lock Punches A Closer Look: This “3-point Contact” not only locks the punch into the retainer but also prevents the punch from rotating 16 Ball Lock Punches • Contrary to Popular Belief, The ball does NOT fully seat in the “teardrop” (ballseat) • Shaped punches will maintain their correct orientation by positioning the “teardrop” (ballseat) in the desired radial position relative to the shape 17 Ejector Punches • When the punch face first begins to penetrate into the metal sheet, a deformation occurs that creates a small vacuum pocket between the punch and the eventual slug • This vacuum pocket in conjunction with any oil film that might be present can cause the metal slug to stick to end of the punch and result in punch edge damage or breakage on the next stroke • This is when an ejector punch is helpful 18 Ejector Punches • An ejector punch contains a “spring loaded” pin that separates the metal slug from the end of the punch (see below) 19 General Suggestions 20 General Suggestions 21 General Suggestions Please read the NAPMA publication: Perforating Technology-The Hole Story • It offers a very comprehensive insight into the technology of punches and die buttons • A copy can be found in your kit 22 TIPCO Inc. looks forward to serving and supporting you through our partner John Ferrone - President 23
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