Deerfield Machine Parts

CNC Machining of a Cold Rolled Steel Hose Connector for the Automotive Industry

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Deerfield Machine received a request from one of their automotive industry customers for a cold rolled steel hose connector. This part provides a means of attaching a hose on one end with ¾" NPT pipe thread on the other end, and its manufacture called into play multiple capabilities for which Deerfield Machine is well known, including turning, broaching, and zinc plating. Working from tight customer specifications and 2D CAD drawings, Deerfield machine began manufacture of the steel hose connector by using their CNC machining center to turn 12L14 cold roll steel bar stock into a part 1.400" long with a 1.125" outside diameter. A unique feature of this part was machined next, using internal hex broaching, which allows easy installation using an Allen wrench so that the outside surface of the hose connector remains undamaged. This kind of broaching is a powerful process that permits polygons to be cut into a variety of work pieces and materials on virtually any lathe or milling machine. Following the hex broaching, the cold rolled steel hose connectors were deburred and left with their original raw finish. Each one of these machining processes was accomplished to narrow tolerances of ±.005". Both dimensional and visual inspections were used to confirm the fit and finish of the finished hose connectors. Even though a series of skills was required to complete these parts, Deerfield Machine was able to manufacture 5,000 of them in one month for final delivery to customer locations in Texas, Pennsylvania, and California.

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CNC Machining of a Cold Rolled Steel Hose Connector Project Highlights

Product Description
This part serves to provide a means of attaching a hose on one end with 3/4" NPT pipe thread on the other end.
Capabilities Applied/Processes
Primary:
CNC Machining
  • Turning
Hex Broaching

Secondary:
Deburring
Equipment Used to Manufacture Part
CNC Machining Center
Overall Part Dimensions
1.125 OD X 1.400 L
Tightest Tolerances
+/- .005
Material Used
12L14 CRS Bar Stock
Material Finish
Zinc Plated
Additional Facts
A unique feature of this part is the internal hex broaching that allows easy installation using an Allen wrench so that the outside surface is not damaged.
In process testing/inspection performed
Dimensional Inspection, Visual Inspection
Industry for Use
Automotive
Volume
5,000 pcs per Year
Delivery/Turnaround Time
4 Weeks
Delivery Location
Texas, Pennsylvania, California
Standards Met
Customer Specifications, 2D CAD Drawing
Product Name
Hose Connector