PRODUCTION & ASSEMBLY FEATURE


HIGHLY EFFICIENT MACHINING IN 5 AXES OF MOTION K


ao Fong Machinery (KAFO) has developed a gantry-type machining centre for large and/or heavy workpieces. Available in the UK from sole agent TDT Technology the range comprises KG (three-axis) and KG5A (five-axis) series machines with the latter featuring a full A/C-axis tilting and rotating head to facilitate highly efficient machining operations in five axes of motion. The two-axis milling head which offers ±105° in the A-axis and ±200° in the C-axis is manufactured by Kessler of Germany and representative of the high quality components deployed throughout the series. For example, Hiwin C3 class ballscrews are featured on the machines with dual screw types in the X and Z axes and single screw in the Y-axis. Here, an innovative ballscrew cooling system is deployed to negate thermal discrepancies and promote dynamic performance. The main X, Y and Z axes feature INA


linear guideways from Schaeffler. These are designed to deliver high rigidity while machine motion is taking place. To ensure positioning accuracy of


±0.015 mm and repeatability of ±0.01, the use of Heidenhain linear scales and closed loop control is offered in X, Y and Z so that customers can rest assured of precision-machined workpieces.


SHOPFLOOR DATA DISPLAY PLATFORM


Global Shop Solutions’ platform TrueView is designed to display job dispatch data on large TV monitors mounted on shop floor walls. It promises to modernise the job dispatch process and help manufacturers improve production times. “Traditionally, manufacturers post paper dispatch reports on bulletin boards to tell machinists what they should be working on and which jobs are lined up in the queue,” says president Dusty Alexander. “With our TrueView data display product workers can view the data on a TV monitor without leaving their workcenters to track down the information. It saves time, cuts down on paper and the data is current.” Modernising your shop floor doesn’t require new hardware or software – only a large-screen TV and a web browser. Data is refreshed every 10 minutes, giving shop floor personnel the most current information available. Users can select between different messaging and colour-coding options.


Global Shop Solutions www.globalshopsolutions.com


To further boost the impressive


specification of the KG/KG5A series, Siemens 840DSL controls help operators increase work efficiency. However, for machine shops that prefer Heidenhain, the iTNC 530 CNC is available as an option. Models in the KG/KG5A series extend from 2 to 6 m in the X-axis and from 2.5 to 3.5 m in the Y-axis. The Z-axis covers 1 m as standard


This is critical where large components


are involved, particularly considering the high cost of raw materials and the hours of added-value metal cutting that could potentially be lost on inaccurate machines.


GUARANTEED QUALITY CONTROL KAFO imparts rigorous tests and inspection routines to guarantee quality control on key machine components. Laser inspection, 3D tactile probing,


Laser inspection, 3D tactile probing, ballbar inspection and rigidity checks are used by KAFO to make sure that customers receive a quality gantry machining centre


across all models. Components weighing up to 52,500 kg can be accommodated on the table. Rapid traverse rates are 20 m/min in the three main axes, either direct driven or via gearbox while acceleration is 4 m/s². The BT50, 25/30 kW spindle offers speeds up to 8000 rpm and torque up to 420 Nm. To suit the large number of tools that are often required to machine large workpieces, tool magazines are available up to 120-station capacity.


TDT Technology T: 01788 570411 www.tdt-technology.co.uk


FAST ASSEMBLY OF PERFORMANCE-CRITICAL PARTS


JOT Automation speeds up the precision assembly of performance-critical components of smart devices and improves the outgoing quality of production by introducing the JOT V4 Assembly Cell. The automated solution enables global consumer brands to ship ever smarter and smaller devices in the time-to-market with superior quality and lower costs from anywhere in the world. “People cannot do the fine tasks that are called for assembling next generation smartphones and tablets,” says director Ville Vatanen. “In fast-paced mass production it’s impossible for


humans to meet with bare hands the less than 0.1 mm assembly tolerances commonly used in the 3C (computer, communication and consumer electronics) industry. “With our machine vision guided assembly cell, the assembly of small, performance-critical components including cameras, microphones, speakers, touch screens and vibras is made reliable and easy; no special operator skills are needed. Simplicity has been our main principle when designing the next-generation assembly cell.” Based on standard modules, the JOT V4 Assembly


Cell is applicable for dozens of applications. The most suitable modules can be flexibly and cost effectively picked to current use. The customer can choose the modules needed


according to their requirements, allowing machine functionality to be easily fine-tuned for future assembly and volume needs. Furthermore, the desktop solution fits all factory layouts due to its


/ FACTORYEQUIPMENT


numerous feeding options and minimal footprint of 0.35 m². Both in-line and off-line versions are available with short lead times.


JOT Automation T: +358 40 1890 371 www.jotautomation.com


FACTORY EQUIPMENT | SEPTEMBER 2015 25


ballbar inspection and rigidity checks are used by KAFO to ensure that customers receive a quality gantry machining centre that is capable of producing precision workpieces to specification, time and time again.


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