Welcome to LongBar Grinding, Inc ISO 9001:2015 & AS9100D certified
Welcome to LongBar Grinding, Inc ISO 9001:2015 & AS9100D certified
Capabilities
What we do. What we're good at. What we can do for you - the Long and Short of it.
Company Overview.
Founded in 1967, LongBar Grinding, Inc remains the select choice by many discerning customers supporting several business segments serving several industries across the USA for precision centerless grinding services and is ISO 9001:2015 and AS9100D certified.
For custom grinding of long or short bars, either long or short production runs, quick or expedited deliveries, for over 50-years, many companies across the USA have found and continue to use LongBar as their centerless grinding partner.
Capabilities at a Glance:
- General Grinding Capabilities:
- Diameter: 0.045 - 9"; Dia. Tolerance: down to .0001";
- Surface Finish: .1Ra or 4RMS [material dependent];
- Straightness: .001″ to .002″ per foot [material dependent];
- Bar/Tube Length: from 1.5" to 40' lengths;
- WorkCenters: Grinders=15, Bar Straighteners=1, Rotor Straighteners=2, Hydraulic Straightener=1.
- TG&P Services: Turning, Thru-Feed Bar Grinding, In-Feed and End-Feed CenterLess Grinding, Profile Machining, Collet Grinding, Small and Long Run Production.
- Materials Procured for Clients & Used include: Stainless, Alloy, Carbon, Aluminum, Copper, Brass, Plastics, Composites, Magnesium, Titanium & Tool Steels.
- Material Procurement: specializes in material procurement from a vast array of suppliers of industry standard materials;
Company Capabilities.
We believe that our real asset is our people & the quality we invest into all our jobs. LongBar standard tolerances are closer than standard TG&P tolerances & upon request, closer tolerances for specific requirements can be achieved.
A significant resource at LongBar is solving the supply chain and inventory management challenges faced by our customers for exotic, or special purpose material - our continued success in offering customers inventory resources at LongBar and quality of specialty material sourcing, makes LongBar the reliable and dependable partner that many of our customers have come to rely on for decades.
Operating since 1983 from its 25,000 sq ft facility in Santa Fe Springs, CA, family owned and operated, remains large enough to provide the quality standard that LongBar has long been recognized for. Services including, raw material & consignment inventory management, raw material procurement, custom centerless grinding & straightening services for limited quantities to high-volume production run quantities, remain a LongBar advantage.
Building:
25,000ft², Single Stand-Alone Building in Santa Fe Springs, CA.
Primary Equipment:
- Cincinnati Centerless Grinders [15-WorkCenters]
- Proprietary Grinding Wheels [Produced to LongBar Specifications]
- Smoothing Machines [2-Produced to LongBar Specifications]
- Proprietary Bar Straightener Machines [2-Produced to LongBar Specifications]
Centerless Grinding Capabilities:
- Min Bar Length: 0.5" [12.70mm]
- Max Bar Length: 40ft [1,219.2 cm]
- Min / Max Diameter: .045″ to 9” [1.14 mm – 228.6mm]
- OD Tolerance: +/- .0001″ [+/- 2.5 µm]
- Straightness: .0005″/inch [13 µm/mm]
- Roundness: .0002″/inch [5 µm/mm]
- Surface Finish: 6 µ” Ra [.15 µm Ra]
Material Capabilities:
Carbon, Alloy, Stainless and other Tool Steels, Plastics and many Composite Materials.
