2.1
NC4+ Blue basics
Introduction
This guide describes how to install, configure, maintain and service the Renishaw NC4+ Blue
non-contact tool setting system.
The NC4+ Blue is a laser-based non-contact tool setting system that provides high-speed/high-
precision measurement of cutting tools on a machining centre under normal operating conditions.
As a tool moves through the laser beam, the system detects when the beam is broken. Output signals
sent to the controller allow the presence of a tool and the position of the tip to be established. This can
be used to determine the dimensions of tools (tool measurement) or condition of tools (broken tool
detection).
Guidelines for best practice
• The NC4+ Blue is a precision device and must be handled with care.
• Ensure that all mountings are secure.
• Keep electrical contacts clean.
• Mount the system in a position that limits the risk of it being subjected to impact when operating the
machine.
• Mount the system in a position where it will not be affected by a build-up of swarf. Do not allow
excessive waste material to build up on or around the NC4+ Blue.
• Cables, piping and conduit should be suitably secured to avoid damage and loads being transferred
to the NC4+ Blue.
• Optimum performance is achieved by continuously supplying air and power to the NC4+ Blue.
• The NC4+ Blue is protected by a continuous stream of clean air. Approximately once a month,
inspect the optics for contamination. The service interval may be extended or reduced depending
on experience.
• The air supply to the NC4+ Blue protection system must conform to BS ISO 8573-1: 2010 air
quality of class 1.4.2 and be moisture-free.
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