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Cutting Tool Engineering January 15, 2010

January 2010

January 2010 covers drilling and holemaking, milling strategy, and inspection and metrology. It also looks at workforce development.

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Vol. 62 • Issue 1

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Iscarmetals

Parting Intelligently

Powerful Wide Inserts for Grooving, Turning Increasing Your and Profiling at High Feeds PROFITABILITY Machining Intelligently Turning Intelligently Turning into Lower Costs with High Productivity SUMOTURN Coated Grades Milling Intelligently Cost Saving Milling Superior Fine Pitch Endmills Drilling Intelligently Drilling Down.

Parting Intelligently Powerful Wide Inserts for Grooving, Turning Increasing Your and Profiling at High Feeds PROFITABILITY Machining Intelligently Turning Intelligently Turning into Lower Costs with High Productivity SUMOTURN Coated Grades

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Moriseikius

It’s your turn

...to be the tough project go-to shop It’s your turn to have the capacity to take on the most complex parts — faster and with exacting precision. Mori Seiki Machining Centers… if the competition can’t handle it, tough. Precisely. Got a challenging part to manufacture? Let us help. Request a free test cut IS #82.

It’s your turn ...to be the tough project go-to shop It’s your turn to have the capacity to take on the most complex parts — faster and with exacting precision. Mori Seiki Machining Centers… if the competition can’t handle it, tough. Precisely. Got a challenging part to manufacture?

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Abrasive Tech

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Sumicarbide

AC820P

AC830P TWO New Super FF coated grades for steel turning P For general purpose turning of A C 820 steels and stainless steels P A C 830 For roughing and interrupted cutting of steels and stainless steels Ultra hard and ultra smooth are what make Sumitomo’s New Super FF coating more resistant to heat and wear resulting in higher productivity and increased tool life

AC820P AC830P TWO New Super FF coated grades for steel turning P For general purpose turning of A C 820 steels and stainless steels P A C 830 For roughing and interrupted cutting of steels and stainless steels Ultra hard and ultra smooth are what make Sumitomo’s

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Hornusa

HORN - THE LEADERS IN GROOVING TECHNOLOGY

THERE IS ALWAYS A (GROOVING) SOLUTION... ...and if it doesn’t already exist, we will find it. HORN has developed the world’s most effective range of grooving technology by providing solutions to problems that others have walked away from. Many of our 9000 standard catalog items were developed as specials - but many customers had the same requirements leading to standards

HORN - THE LEADERS IN GROOVING TECHNOLOGY THERE IS ALWAYS A (GROOVING) SOLUTION... ...and if it doesn’t already exist, we will find it. HORN has developed the world’s most effective range of grooving technology by providing solutions to problems that others have walked away from. Many of our 9000 standard catalog items were developed as specials - but many customers had the same requirements leading to standards. Even though our standard catalog range is very broad, it is dwarfed by our database of over 85000 special solutions.

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Prabmonlan

 1   m  2  1000mm 

cent longer. That is a real danger when basing a cost estimate   0.5 9.8 2  (0.068 sec )   = 11.34mm using machining time estimated in verification software. As  2   sec    m  long as acceleration is limited, the time estimation problem Let’s take a typical move on one side of a rectangular pocket becomes worse as the average moves become shorter and as.

 1   m  2  1000mm  cent longer. That is a real danger when basing a cost estimate   0.5 9.8 2  (0.068 sec )   = 11.34mm using machining time estimated in verification software. As  2   sec    m  long as acceleration is limited, the time estimation problem Let’s take a typical move on one side of a rectangular pocket becomes worse as the average moves become shorter and as as starting from rest, moving 50mm and then stopping. For the programmed feed becomes higher. that move, acceleration and deceleration together would take Increasing the commanded feed of the machine doesn’t help, 0.136 seconds and consume 22.68mm (nearly half of the even if the tool could take the increased chip load. If the max- total distance to be moved). Moving the remaining 27.32mm imum commanded feed in this example were more than about

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Phillipsprecision CC

ple, the beam at the floor of the workpiece cavity with a Data Flute 2-flute, ½"- tie everything in together.”

is about 0.200". “If you made that 1⁄32" it dia. ARF (aluminum rougher/finisher) The roughing passes left 0.030" on isn’t going to work. The beam has to reach run at 5,500 rpm and 80 to 100 ipm. the part for finish milling, which was out ½" and support that part,” he said. At this point, programming for the rest performed at 30 to 40 ipm. To put cor-.

ple, the beam at the floor of the workpiece cavity with a Data Flute 2-flute, ½"- tie everything in together.” is about 0.200". “If you made that 1⁄32" it dia. ARF (aluminum rougher/finisher) The roughing passes left 0.030" on isn’t going to work. The beam has to reach run at 5,500 rpm and 80 to 100 ipm. the part for finish milling, which was out ½" and support that part,” he said. At this point, programming for the rest performed at 30 to 40 ipm. To put cor- To machine the computer compo- of the part was incomplete because Phil- ner radii on the top edges of two bosses nent, Phillips worked with a customer- lips wanted to get the part running. He in the cavity, a 3⁄8"-dia. ball mill was em- supplied SolidWorks CAD model and didn’t want to spend time perfecting the ployed. Total run time for the first side programmed the part in Mastercam for program before hitting cycle start because wa

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collet clamping. T-Tool USA LLC offers the ER Zeta

safety collet clamping system from Zollmann GmbH. The

system’s profile allows for various mounting adapters or a torque nut to be screwed on via a bayonet-style locking feature. A spanner wrench should only be used if there is no other possible way because of oversized drills or limited room for a torque wrench, according to the company. The Zeta collet nuts are available in various sizes for DIN6499 and DIN6388.

collet clamping. T-Tool USA LLC offers the ER Zeta safety collet clamping system from Zollmann GmbH. The system’s profile allows for various mounting adapters or a torque nut to be screwed on via a bayonet-style locking feature. A spanner wrench should only be used if there is no other possible way because of oversized drills or limited room for a torque wrench, according to the company. The Zeta collet nuts are available in various sizes for DIN6499 and DIN6388 collet styles. T-Tool USA LLC

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Platit

Multigrinding in one setup

multitask machining isn’t always completed a large automotive project that about combining different processes. It involved several grinding machines setup sometimes involves multiple operations, to simultaneously grind the two ends of a such as different grinding operations transmission shaft in one operation using completed in a continuous cycle in one two independent wheelheads. This type.

Multigrinding in one setup multitask machining isn’t always completed a large automotive project that about combining different processes. It involved several grinding machines setup sometimes involves multiple operations, to simultaneously grind the two ends of a such as different grinding operations transmission shaft in one operation using completed in a continuous cycle in one two independent wheelheads. This type machine. Martin Nobs, engineering of multitasking allowed the end user to manager for Usach Technologies Inc., purchase four machines instead of eight, provided the example of a combination reducing the required floor space and Usach Technologies of ID and OD grinding in one setup where simplifying the automation system. Simultaneous grinding of a transmission

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IMTS.com

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ters for a new Mazak Variaxis 5-axis hor- www.kbputters.com

and a pallet changer, I would have the

perfect manufacturing system.” END USER: Kevin Burns Golf izontal machining center and laid off his CHALLENGE: Maximize productivity employees. He bought a building and in- and minimize tool stalled the machine with a pallet changer breakage when roughing custom and 12 pallets with tombstones held in putter heads. a tiered rack

and a pallet changer, I would have the perfect manufacturing system.” END USER: Kevin Burns Golf He traded in his used machining cen- (408) 244-7768 ters for a new Mazak Variaxis 5-axis hor- www.kbputters.com izontal machining center and laid off his CHALLENGE: Maximize productivity employees. He bought a building and in- and minimize tool stalled the machine with a pallet changer breakage when roughing custom and 12 pallets with tombstones held in putter heads.

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