Ball Screws are typically 90% efficient.

Press Release Summary:




Ball Screws run at speeds of over 2,000 ipm and operate with normal efficiency between -65 and 300°F with suitable lubricants. Straightness is specified at 0.010 in. per foot TIR and will not exceed 0.025 in. TIR over length of screw. Ballnuts are offered in single circuit, dual circuit, and preloaded styles with max operating loads up to 1,650 lb. Ball Screws come in stainless steel and alloy steel in 3/8, 1/2, and 5/8 in. diameters, in lengths up to 72 in.



Original Press Release:



Tough Jobs Demand The New PIC Design Ball Screws



Middlebury, CT - PIC Design has added a family of Ball Screws to its already extensive line of lead screws and nuts. This new line is characterized by its ability to handle higher capacity loads at faster speeds with improved efficiencies. Currently Acme style lead screws are typically 30 to 70 percent efficient. PIC Design's ball screws ratchet efficiency up to typically 90 percent!

Faster speeds and higher temperatures are also important considerations when choosing a linear motion system. PIC Design's ball screws operate with normal efficiency between temperatures of -65°F to 300°F, with suitable lubricants. Most of these screws can run at speeds of over 2,000 inches per minute.

Straightness is specified at 0.010" per foot TIR and will not exceed 0.025 inches TIR over the entire length of the screw.

PIC Design's ball screws are available in 3/8, 1/2, and 5/8-inch diameters and are stocked in lengths up to 72 inches. Ball nuts are available in three configurations: as a single circuit, dual circuit, or preloaded styles. Single circuit, dual circuit and preloaded styles can support maximum operating loads as high as 1,650 lbs. Load performance is dependent on materials chosen and shaft diameter. PIC Design's ball screws are available in stainless steel and alloy steel. Alloy material supports higher loads.

Lead screw accuracy is 0.003 inch per foot for precision rolled versions and 0.007 inch per foot for the more economical industrial rolled version. Positional repeatability is typically better than 0.00005 inches.

PIC Design can add journals as required or they can anneal the ends to allow customer machining of end journals.

Price for a typical 12-inch long, 5/8 inch diameter, single circuit nut system in unit quantities is less than $50.

Delivery is 7 days ARO.

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