The SG-1645 is our smaller (6" x 18") electrochemical surface grinding machine. It features a stationary table and optional rotary table to fit your production needs. It provides burr free and low force cutting leaving no heat affected zones while cutting. Built on heavy duty cast iron for superior tolerancing and finish it has numerous applications across many materials and industries including medical device, automotive, and aerospace industries. ECG is a faster alternative to traditional surface grinding.
Glebar prides itself on selling precision grinding machine system solutions, tailored to your specific needs. Below is a small subset of applications, performed on this machine, that Glebar has provided solutions for over the years.
Castle Nuts, also referred to as Castellated Nuts, are used for applications in aerospace and automotive markets where the nut cannot loosen. A cotter pin or safety wire is inserted through a cross-drilled bolt extending through the opposing slots to mechanically prevent the nut from loosening. Without the Castle Nut, the nut would separate from its shaft potentially leading to catastrophic results.
Slotting Saws, Abrasive Grinders, Wire EDM, and Sinker EDM are popular mechanical and abrasive processes used for slotting Castle Nuts. The slotting operation requires three cuts per part, cutting two slots per pass. Parts are loaded manually.
Typical saws and grinding processes require frequent wheel dressing or saw changing, dramatically reducing productivity and throughput. Current manufacturing processes can distort the slot, damage the thread, or deform the thread. Secondary deburring or re-tapping is often required after slotting. This results in increased scrap rates, increased cycle times, and reduced throughput.
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