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Ultra Precision Manufacturing

Our credentials

Taylor Hobson is world renowned as a manufacturer of precision measuring instruments. Used for final inspection in research and production, our equipment performs at nanometric levels of resolution and accuracy.

Our machines

We invest in only the highest precision machine tools produced by leading manufacturers around the world. We then work extensively with the manufacturer to enhance the performance of the machine to better satisfy our unique requirements.

Our people

Taylor Hobson engineers have developed manufacturing skills and processes that push the very limits of precision. They have an intimate understanding of how the design, performance and production.

The Taylor Hobson Manufacturing Service:

Surface grinding Diamond turning Precision assembly
Cylindrical grinding Graticule laboratory  
Complex maching Flat lapping  

Surface grinding

Levels of surface grinding precision that for Taylor Hobson are relatively straightforward to attain are often considered specialist by the majority of industry. General straightness in the 2m range can be achieved on a routine basis with little need for technical support.

Surface grinding capacity and capability:

Model Chuck Capacity
(length x width)
under wheel
ELB SF CNC 1500mmx800mm 800mm 5m over
chuck area
ELB 15 CNC 1200mmx350mm 400mm 0.25m over
ELB 10 NC 800mmx450mm 400mm 0.5 m over
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Cylindrical grinding

High precision cylindrical grinding represents Taylor Hobson's strongest manufacturing process expertise. We produce the reference datums for our measuring instruments with a combination of geometry, dimension and surface finish control that is amongst the very best in the world.

Cylindrical grinding capacity and capability:

Model Length
between centers
Maximum diameter Maxium weight
Straightness accuracy
2040mm 350mm 200Kg 1m over
400mm 240mm 80Kg 1m over
700mm 240mm 80Kg 1.5 um over 7000mm
500mm 190mm 65Kg 1m over
750mm 190mm 65Kg 1m over
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Complex machining

Complex machining is critical to many components used in Taylor Hobson's metrology instruments.
Extremely high dimensional and geometrical tolerances must be machined on a "one hit" basis to ensure that the end structure is highly stable with a high grade cosmetic appearance.

Over the years we have developed the processes, tooling and skills that allow us to routinely achieve these extraordinary results. Our capability was expanded with the acquisition of a Mori Seiki MT2000S Machining Centre. It provides for high precison machining of components in 5 axes.

Mori Seiki MT2000S - 5 Axis
Milling / Turning Centre

Bar capacity spindle 1 63mm diameter
Bar capacity spindle 2 63mm diameter
Distance between spindles 1,000mm
Accuracy 10um
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Diamond turning

Our experience with high precision diamond turning has contributed to a direct improvement in our product specification. The diamond turned air bearing spindles used in Taylor Hobson roundness measuring instruments typically out-perform the 0.02m radial limit of error specification.

Diamond turning capacity and capability
Nanoform 300DT

Feature Travel Horizontal
X Axis 250mm 0.5m full travel 1m full travel
Z axis 150mm 0.3m full travel 1m full travel
Air bearing spindle Runout 0.1m at 1000 rpm axial and radial
Surface finish 10nm Ra
Slideways Hydrostatic oil bearings
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Graticule laboratory

The Taylor Hobson graticule laboratory has the capability to manufacture glass and metal gratings and a range of other components based on deposition and etching technology. We use these components in our own measuring instruments and also undertake sub-contract manufacture for a number of prestigious companies.

Flat lapping

A full range of lapping equipment is available for ferrous and non-ferrous materials. Assessment of flatness by monochromatic light source as well as other techniques is available. Required services for cleaning are also in place.

Precision assembly

Precision assembly is a key Taylor Hobson strength. Our experience in electro-optical-mechanical assembly is instrumental to our success in the metrology industry. The nature of our business dictates that our assembly staff be flexible, highly skilled and able to cope with complex tasks involving multi-stage testing and sign-off.

Diamond turning machines epitomise the melding of technology and craftsmanship at Taylor Hobson. Our expertise at precision assembly provides the Ultraform 250 with performance more likely found in measuring instruments than machine tools.

  • Feedback resolution: 8.60nm
  • Form accuracy: < 0.20m
  • Radial motion error: < 0.05m
  • Axial motion error: < 0.05m
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