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Natural Granite Base
Natural granite base is lapped flat at Precitech and then sealed for life. The vertical column is also natural granite. Granite provides excellent long term stability of the base of the machine so straightnesses and squarenesses will not be distorted over time.
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Pneumatic Vibration Isolation System
Dual-chamber, self-leveling, passively damped vibration isolators are used in each corner of the machine. These provide excellent vibration isolation from floor vibrations.
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650 mm Travel Oil Hydrostatic Slide (Horizontal)
The horizontal machine slide is non-contact due to the use of oil hydrostatic bearings, non-contact linear motors and non-contact encoder feedback. In this manner there is zero stick-slip or friction, allowing motions of nanometer amplitude to be commanded and performed.
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300 mm Travel Roller Bearing Slide (Vertical)
This roller bearing slide is actuated with a ball screw. There is a brake on the ball screw shaft for use in locking up the axis. The position feedback is provided using both rotary encoder feedback and linear glass scale encoder feedback.
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Air Bearing Flycutting Spindle
Our highest moment stiffness air bearing spindle is used on the Planoform. This features an integral motor and integral encoder for closed loop velocity feedback. The speed range is bidirectional 10 to 5000 RPM. It is provided with water cooling channels for use with a chiller if this is desired.
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305 mm Tool Swing Flycutting Head
This flycutting head carries two identical tool holders opposed for proper balance. These can carry both roughing and finishing tools if desired. The tool holders allow adjustments of the tool in depth of cut, pitch, roll, and yaw motions. The head contains special vibration dampening technology used to improve surface waviness issues where the tool enters the work piece being cut.
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Head Tilt Feature with Digital Readout
The flycutting spindle is adjustable in heel angle to optimize the flatness of the resultant flycut surface. In addition, the head can be tilted on purpose to change the tool sweep into an elliptical shape for producing elliptical mirrors. A digital readout of head angle is provided so that the head angle is known precisely and the adjustment mechanism provides fine incremental motions.
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UPx Machine Controller
Similar controller features with our Nanoform products make it easy to transition between machines. Special features for Planoform operation include M codes for the Z-axis clamping brake, digital readout and reset controls for the head angle, etc. QNX 64 bit operating system with advanced application customization and MTF diagnostic to achieve cutting results.
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Spray Mist System
A minimum quantity of lubricant is used to both cool and lubricate the diamond cutting process. The lubricant of choice is Odorless Mineral Spirits (OMS). This is stored in a reservoir on the machine where the operator can easily see if the level is getting low. The lubricant is supplied from the reservoir by gravity. When spray mist is turned on by the machine controller (M code) then a pneumatic indicator turns green indicating that the spray mist is active. The operator has toggle valve controls for air and lubricant that must be turned on in order for the spray mist to function. Air pressure coming out of the nozzle pulls lubricant through a vacuum venturi effect and sprays the lubricant on the part. The operator has needle valve controls to adjust the air and lubricant (separately) flowing to the nozzle. When the spray mist is turned off, a valve in the lubricant line prevents lubricant from dripping out of the nozzle, and prevents lubricant from flowing back into the lines, which delays the start of spray mist when it is then turned on again.
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Machine Enclosure
The machine is provided with a full upper enclosure for operator protection. The sliding operator door is locked closed when the machine is in cycle to prevent operator exposure to potentially hazardous conditions inside. Interior lighting is provided using a sealed florescent lamp. Access door
panels are provided on all sides of the machine for servicing and cleaning.
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