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OLP40 compact touch probe

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OLP40 is Renishaw’s smallest inspection probe with optical signal transmission for lathe and turning centres, using Renishaw’s well established optical interfaces.

About OLP40

OLP40 touch probe The OLP40 can use Renishaw’s legacy or modulated optical signal transmission systems without any compromise in metrology performance. When used with an OMI-2T interface unit, two OLP40s can be used on the same machining centre.

The OLP40 is sealed to withstand the extreme environment of lathes and turning centres. A proven eyelid protection system prevents entry of swarf and chips that would cause damage to the internal components of the probe. The OLP40 is built to the highest of standards and offer a truly unrivalled combination of size, accuracy, reliability and robustness that will benefit it's users through reduced set-up times, reduced fixture costs, reduced scrap and improved process control.

For lathes or machining centres where part features are inaccessible to the OLP40 and RLP40, Renishaw offers the OMP40M and RMP40M, which enable fitment of adaptors, extensions and Renishaw’s LP2 touch probe.

OLP40 features and benefits

Compact and robust
The OLP40 provides access for turning processes where a short probe length is required.
The robust design is suited to the harshest of machine environments.

Resistant to transmission interference
The modulated transmission method offered by the OLP40 offers increased resistance to light interference. The OLP40 is also backward compatible for legacy transmission.

Ideal for retrofit
The OLP40 is ideal for retrofitting. The OLP40 features a 360^o optical transmission system allowing the probe to operate in any spindle orientation.

Eyelid protection
The OLP40 uses an eyelid protection system which ensures that swarf and chips cannot damage the internals of the inspection probes.

Miniaturisation
Miniaturisation of the electronics has allowed the development of ultra-compact lathe transmission inspection probes measuring only 40 mm in diameter and 58.3 mm in length; Renishaw’s smallest wireless lathe probe systems.

Providing a solution for all turning centres
The OMI-2T allows the OLP40 to be designated as either PROBE 1 or PROBE 2 to work in twin probe applications.

OLP40 specification

Dimensions	Diameter: 40 mm (1.57 in) Length: 58.3 mm (2.30 in)
Weight (without shank)	with batteries 260 g (9.17 oz) without batteries 240 g (8.47 oz)
Switch ON methods	Optical ‘M’ code, Auto start
Switch OFF methods	Optical ‘M’ code, time out
Operating range	Up to 5 m (13.1 ft)
Interface/receiver	OMI-2T, OMI-2, OMI, OMM/MI 12
Sense directions	Omni-directional: ± X, ± Y, +Z
Uni-directional repeatability	1.0 µm (0.00004 in)*
Stylus trigger force** XY low force XY high force Z	Factory setting 0.4 N / 40 gf (1.4 ozf) 0.8 N / 80 gf (2.8 ozf) 5.3 N / 530 gf (18.7 ozf)
Stylus trigger force** XY low force XY high force Z	Maximum setting 0.8 N / 80 gf (2.8 ozf) 1.6 N / 160 gf (5.6 ozf) 10.0 N / 1000 gf (35.3 ozf)
Stylus trigger force** XY low force XY high force Z	Minimum setting 0.3 N / 30 gf (1.4 ozf) 0.6 N / 60 gf (2.8 ozf) 4.0 N / 400 gf (14.1 ozf)
Stylus overtravel	XY plane ± 12.5^o+Z direction 6 mm (0.24 in)
Battery type	2 x ½ AA (3.6 V) Lithium Thionyl Chloride (LTC)
Battery life (using LTC) (standard power)	stand by 500 days 5% usage 110 days continuous life 130 hours
Sealing	IPX8 (BS 5490, IEC 60529) 1 atmosphere

* Performance specification is for a test velocity of 480 mm/min (18.91 in/min) with a 50 mm (1.97 in) ceramic stylus. Test velocity does not constrain performance in application.

** The stylus trigger force is the force exerted on the component when the probe triggers. However, the maximum force applied to the component will occur after the trigger point and will be greater than the trigger force. The magnitude depends on a number of factors affecting probe overtravel including measuring speed and machine deceleration. If the forces applied to the component are critical, contact Renishaw for further information.

OLP40 software options

The following software packages can be used to program probing routines for work piece set-up and inspection on CNC machining centres

EasyProbe - entry-level package for simple work piece set-up
Inspection - basic set-up and work piece inspection cycles, with automatic update of offsets
Inspection Plus - an integrated suite of inspection cycles including vector measurement
Productivity+™ Active Editor Pro - a PC-based software package with GUI, allowing the user to select features directly from an imported CAD model, making the generation of probing cycles even easier.