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OKK USA Corp.s VB53 design features help achieve superior surface finish and precision, combined with high speed operation and excellent operator accessibility, to satisfy even the most high end mold application challenges.
The VB53 is standard with 20000RPM spindle with big plus double contact, X-axis travel of 41.34", Y-axis travel of 20.87", Z-axis travel of 20.08". The VB53's superior surface finishing capability, fewer vibration stripes by accel and decel, and less quadrant projections distinguishes itself. OKK's Fine Pitch ball screw reduces the maximum rapid speed, but increases the overall precision of the entire system along with a rigid machine base. Additionally, the VB53 employs an external, isolated oil cooler, which removes a common source of vibration from the machine, resulting in superior die quality.
Countermeasures for thermal displacement which provide superior precision capability are another advantage of the VB53 over conventional machines. Cutting chips and coolant often affect the thermal displacement of machining centers. Our coolant shelter prevents the casting from being exposed to either, providing optimal performance.
Additionally, standard equipment like the 0.05µm scale feedback linear scale enhances the positioning accuracy through all possible applications.
Your operators are your most valuable asset, and that's why we've made their job easier than ever before. Our redesigned workspace reduces the operator's fatigue, and delivers superior accessibility, 15 percent to 50 percent more than conventional machines. Coil-type conveyers clear chips more efficiently, moving stray chips outside the machine quickly.
The VB53 also comes with an automatic grease lubrication system standard; this means no waste oil contamination of the coolant, and our cartridge-based design makes it very easy for the operator to replace.
Related Glossary Terms
- centers
centers
Cone-shaped pins that support a workpiece by one or two ends during machining. The centers fit into holes drilled in the workpiece ends. Centers that turn with the workpiece are called “live” centers; those that do not are called “dead” centers.
- coolant
coolant
Fluid that reduces temperature buildup at the tool/workpiece interface during machining. Normally takes the form of a liquid such as soluble or chemical mixtures (semisynthetic, synthetic) but can be pressurized air or other gas. Because of water’s ability to absorb great quantities of heat, it is widely used as a coolant and vehicle for various cutting compounds, with the water-to-compound ratio varying with the machining task. See cutting fluid; semisynthetic cutting fluid; soluble-oil cutting fluid; synthetic cutting fluid.
- fatigue
fatigue
Phenomenon leading to fracture under repeated or fluctuating stresses having a maximum value less than the tensile strength of the material. Fatigue fractures are progressive, beginning as minute cracks that grow under the action of the fluctuating stress.
- pitch
pitch
1. On a saw blade, the number of teeth per inch. 2. In threading, the number of threads per inch.
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