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Precision Machining

NEW CAPABILITIES, view MORE DETAILS! Need Contract Manufacturing machining services? KOSS can help, with our large stock of raw materials we can save you time. Our skilled craftsmen & high-performance equipment ensures accuracy, consistency, and efficiency. We are very proud of our close-tolerance machining capabilities, as well as prototype machining.

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MACHINING

KOSS strives to maintain the highest level of integrity in all interactions, produce and manufacture components of the highest quality, and provide a working environment which allows our employees to reach their full potential.

Precision Machining Services in Green Bay, WI

We design & engineer parts for a broad range of projects, and with our large stock of raw materials, we can complete your project in record time. 

Our dependable, high-performance equipment ensures accuracy, consistency and efficiency in the precision machining process. Our highly skilled machinists have extensive experience, guaranteeing accuracy and they enjoy the challenge of creating unique, ultra-precise projects for our customers. 

Manual Machining 

Drill Presses (4), Manual Mills (2), Tapping Stations (2), 6’ Radial Drill, Horizontal Mill, Manual Lathe

CNC Milling

Haas VF-SS/40 CNC Vertical Machining Center full programmable 4-axis rotary index 12,000 rpm (see details below), Haas VF-11/50 with Midaco Pallet Changer* (120" x 40" x 38" travel, 50 Spindle Taper, 30 HP (22.4 kW), 30+1 Side Mount Tool Changer, thru spindle coolant, additional axis for rotary table, 10,000 RPM), Haas VF-4SS (50” x 20” x 25” travel, thru spindle coolant) with Midaco Pallet Changer* , Haas VF-4B (25” x 50” travel, thru spindle coolant, 4th axis rotary head, 10,000 rpm) * with Midaco Pallet Changer* , Haas VF-8 (40” x 64” travel, thru spindle coolant, 10,000 rpm)  Haas VF-4SS (50” x 20” x 25” travel, thru spindle coolant) 30+1 Side Mount Tool Changer)

CNC Turning

Doosan Puma MX2500ST 9-Axis CNC Mill/Turn Machining Center (see details below), Mori Seiki SL-25 (2) (10” swing, programmable c-axis, live tooling)

Contact KOSS today to learn more about our wide-range of Contract Manufacturing Services!

Size Restrictions

Lathe: up to 3” thru bore, length of cut 40”, 22” OD

Mill: 120” x 40” x 38”, up to 4000lbs

NOTE:  Certain restrictions apply - KOSS can manufacture longer/bigger parts with certain limitations.

NEW CAPABILITIES! 

VF-4 SS & 9 Axis Puma/Doosan, Haas VF-11/50 with Midaco Pallet Changer!

HAAS VF-4SS/40 CNC Vertical Machining Center 50" x 20" x 25" X-Y-Z Axis Travel (1270 x 508 x 635mm) | 40 Spindle Taper | High Pressure thru Spindle Coolant | Rigid Tapping | 30 HP (22.4 kW) | 12,000 RPM | 24+1 Side Mount Tool Changer | Wireless Intuitive Probing System (Renishaw Probe Accuracy: Repeatability 1.00 μm (0.00004 in) Maximum mean 2s value tested with 50 mm (1.97 in) straight stylus and 480 mm/min velocity at center of stylus tip) | Control Options Added (Ethernet, Expanded Memory, Power Failure Detection, Intuitive Programming System) | also Midaco Pallet Changing System...and more

HAAS VF-4SS/40 CNC Vertical Machining Center 50" x 20" x 25" X-Y-Z Axis Travel (1270 x 508 x 635mm) | 40 Spindle Taper | High Pressure thru Spindle Coolant | Rigid Tapping | 30 HP (22.4 kW) | 12,000 RPM | 30+1 Side Mount Tool Changer | Wireless Intuitive Probing System (Renishaw Probe Accuracy: Repeatability 1.00 μm (0.00004 in) Maximum mean 2s value tested with 50 mm (1.97 in) straight stylus and 480 mm/min velocity at center of stylus tip) | Control Options Added (Ethernet, Expanded Memory, Power Failure Detection, Intuitive Programming System) | full programmable 4-axis rotary index ...and more

HAAS VF-11/50 CNC Vertical Machining Center 120" x 40" x 38" X-Y-Z Axis Travel (3048 x 1016 x 965mm) | 50 Spindle Taper | High Pressure thru Spindle Coolant Rigid Tapping | 30 HP (22.4 kW) | 7,500 RPM | 30+1 Side Mount Tool Changer | Wireless Intuitive Probing System | Control Options Added (Ethernet, Expanded Memory, Power Failure Detection, Intuitive Programming System) | ...and more

Doosan Puma MX2500ST 9-Axis CNC Mill/Turn Machining Center Capacity: Swing over bed 29.5", Swing over carriage 23.6", Maximum bar capacity 3", Max. turning diameter, main spindle 21.65", Max. permissible weight (including chuck) chuck work/shaft work 485 / 1322 lbs, Distance between spindle noses (ST / LST) 52.9" / 72.5", Distance between spindle nose and center tip (LT) 69.1" | Left (Main) And Right Spindle: Spindle speed 3,500 RPM, Milling Spindle: Spindle speed 10,000 RPM, Motor power (10 min. rating) 25 HP, Max. spindle torque (15% ED) 44 ft-lbs, Tool index (2,3 or 4 insert multi-tools) 30 deg, B-axis (tilt) coupling increment 7.5 deg, B-axis travel 240 (+/- 120) deg, B-axis minimum increment 0.001 deg, B-axis positioning accuracy 0.006 deg, B-axis repeatability 0.002 deg. | Bed, Saddle, & Cross Slide: X1 axis travel 21.85", X2 axis travel 7.28", Z1 axis travel (ST / LT & LST) 43.1" /62.8", Z2 axis travel ((ST / LT & LST) 44.9" / 64.5", X axis repeatability + 0.00006", Z axis repeatability + 0.00008", Y-Axis: (Y-axis travel 6.3" (+/- 3.15), Y-axis repeatability .00012"),and more...

Contact KOSS today to learn more about our wide-range of Contract Manufacturing Services! 1.800.844.6261

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