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 Harrison
Steel’s machining department is currently divided into three classifications,
rough machining, finish machining, and maintenance machining. Through these three departments we provide a broad range of
elements required in machining processes and practices. The staff of the machining department has devoted substantial
amount of time in continuing the development of an extensive calibration
program, Cad Cam program, and a tractability and accountability program.
The maintenance-machining department provides support to our
maintenance departments at H.S. This department also is utilized as a tool room for production
machining. As support
to the machining department the majority of all jigs, fixtures, gages,
and templates are designed and built at Harrison Steel in this department. This offers a unique advantage to our machine shop providing
us with the opportunity to customize to a specific part or family
of parts if needed. This
department is equipped with the standard compliment of conventional
machine tools associated with tool room processes. Major equipment includes:
1. Three engine lathes with the largest being a gap bed lathe with
a 32” and 48” swing
2. Two Bridgeport type knee mills
3. Two surface and tool grinders
4. One radial arm drill press
5. One
planer mill
The rough machining department at Harrison Steel primarily
provides machining to Harrison Steel and customers that wish to have
a part qualified for future finish machining and preparations for
assembly into fabrications that require finish machining. This department offers a wide range of flexibility relating
to product size and weight. Most machining processes performed in our rough machining department
require size tolerances of +/- 2mm, however in certain applications
relating to specific parts and process we can achieve tolerances of
+/- .3mm. Major equipment
of the rough machining department includes:
1. Three G&L horizontal boring mills all with 6” spindles.
2. One 84” swing CNC vertical turret lathe
3. Four conventional vertical turret lathes up to 64”
4. Ten conventional engine lathes up to 84” swing diameter, all
equipped with contouring abilities through hydraulic tracer attachments.
The
finish machining department at Harrison Steel provides finished machined
castings for its customers. Primary emphasis in the finish machining department has been
placed on processes associated with machining center operations,  milling, boring, drilling,
and tapping. This department also offers a broad range of flexibility relating
to product size and weight. Most machining processes performed in our finish machining
department require tolerances of +/- .3mm or larger, however in certain
applications we are producing parts with tolerances of +/- .05mm. Major equipment of the finish machining department includes:
1. Two 6” G&L horizontal boring mills (one of which is equipped
with a contouring head to bore tapered holes and radii)
2. One 5” G&L horizontal boring mill
3. Two Machining Systems four pallet horizontal machining centers
4. One Mazak V60 five sided vertical machining center |
