micro-endmills

Micro-Endmills – not the same old grind

Endmilling is a mainstay of micromachining. And while micro and macro milling operations share certain similarities, there are several key differences—and surprises. One eye opener when shopping for micro-endmills is their cost—as the size goes down, the price goes up. Sometimes way up. Where a commodity 1/8” endmill might cost $6, a micro version 1/10th that[…]

micro-scopes

Micro Scopes: Making Endoscopes Smaller

Once-revolutionary microdevices that allow doctors to examine internal parts of the human body are now commonplace. One of the most commonly used of these devices is the endoscope, and its use is growing. The U.S. endoscopy market was valued at more than $9.87 billion in 2011, according to Sara Whitmore, analyst manager at iData Research[…]

cross-drilling

Why so cross? Cross-hole drilling can test a machinist’s mettle

Drilling cross-holes in some parts is no big deal. These are often simple parts, such as aluminum valve bodies, where the holes aren’t too deep and meet on-center, and the customer can live with a small burr at the intersection. On the other end of the spectrum are P-2 tool steel injection molds for complex[…]

5-axis solution

Finding a 5-axis Solution

Tim St. Martin knew there had to be a better way of fixturing parts on his company’s 5-axis machine tools. “We’d visited some of our suppliers and saw how they were holding parts on their 5-axis machines,” said the senior manager of manufacturing engineering for Carlsbad, Calif.-based orthopedic implant manufacturer Alphatec Spine Inc. “They were[…]