Advance Machining has reached new levels with the vibration free SFEED-TEC HUSH-BORE, a line that efficiently performs deep internal turning at an incredible 10xD, 12xD and even 14xD . The steel and carbide-based 12xD and 14xD shanks offer outstanding machining performance even during deep internal machining because they have improved rigidity and hardness, which prevent shank breakage caused by bending.
In order to reach high speeds and feeds without damaging the workpiece, spindle, insert and so on, TaeguTec’s Advance Turning team developed a revolutionary damping system located inside the shank which results in a smooth surface finish as well as an internal coolant supply for longer tool life and stable machining, due to the rigid clamping system. All these technologically advanced features increase feeds and cutting speeds, making it highly productive. In order to provide a full range of options, HUSH-BORE is available in many different diameters and in a few tool lengths. The various exchangeable heads can be securely fastened with an unrivalled serrated coupling located in the boring bars.
Ø80 HUSH-BORE Assembly Instructions
For more information please contact TaeguTec – Tel: 011 362-1500.
TaeguTec has introduced a new modular type of head changeable holders compatible with both external and internal turning applications
The line is available in two modular types, a square shank for external turning and a C-adapter for internal, external and Y-axis operations. In addition, the current HUSH-BORE head can be mounted to the HUSH-MODU shanks, thereby widening the range of applications even further. The head changeable C-ADAPTER comes with several advantages, including the head changeable design, which reduces set-up time, a wider selection of heads for one adapter that enables an economical solution and the serrated coupling design ensuring stable machining, due to its improved clamping rigidity.
The new C-ADAPTER line is available in 4 different cutting lengths, including 2.5xD, 3xD, 4xD and 5xD, while the 5xD type uniquely features a carbide core that reduces vibration during machining, and is available in three coupling sizes, such as C4, C5 and C6 and in 5 shank diameters, including Ø16, 20, 25, 32, 40 mm.
The HUSH-MODU’s Y-axis turning head provides excellent machining stability and a dramatic productivity increase. Further, the Y-axis head demonstrates high performance machining as it is compatible with TaeguTec’s TNMV and ZNMV insert lines.
For more information please contact TaeguTec – Tel: 011 362-1500.
A complete machining solution, the newly-designed Lynx 2100 and Lynx 2600 2-axis horizontal turning centres have a small footprint but deliver huge productivity gains. The machines are tough, reliable and get down to business fast.
If you make complex parts out of tough-to-machine materials, the PUMA 2100/2600(II) Y-axis series is your new go-to. The Y-axis is a beautiful thing. Thanks to its integrated Y-axis and integral drive spindles, the PUMA 2100/2600(II) lets you handle the part from beginning to end on one machine, put simply, it’s a productivity godsend.
While delivering superior machining performance, the machines are equipped with a 15kW high-power motor together with the Lynx 2600Y/SY featuring an 18kW motor, respectively. The maximum turning diameter is 300mm and maximum turning length 510mm with the Lynx 2600Y/SY featuring 380mm and 610mm, respectively. Providing excellent cutting capability and high reliability, the Lynx 2100 and Lynx 2600 are equipped with a low vibration/noise spindle, a servo-driven turret and a full slideway cover to prevent leakage and chip ingress.
EOP, grease type lubrication and a rear side double-purpose chip conveyor are supplied for improved user convenience.
For further information, please contact PUMA MACHINE TOOLS – Tel: (011) 976 8600.
HURCO turning centres are the ideal machines for complete machining and turning small and medium-sized parts. They impress with their high torque and fast rapid traverse rates for high-performance cycles.
HURCO MAX® 5 control – Makes your lathe complete
All HURCO CNC lathes are equipped with the WinMax MAX® 5 control. As a manufacturer of CNC machine tools, Hurco knows exactly what requirements a CNC machine must fulfil for your production.
This is why Hurco has developed its own control system based on many years of expertise in the field of CNC, with which you can turn workpieces exactly according to your requirements.
With the MAX® 5 control you can achieve the highest precision and maximum surface quality with minimum training times. The core feature of the MAX® 5 control is the extremely fast programming and therefore highly profitable production of your workpieces.
In addition to the individually configurable CNC control, Hurco offers a wide range of accessories for its CNC lathes, including high-pressure cooling, bar feeders and automatic doors.
CNC universal lathes
Powerful and fast – these are the HURCO turning machines in the TMi series. These universal turning centres are the ideal machines for turning small and medium-sized workpieces.
The highly robust cast iron machine bed is optimized using finite element analysis to ensure particularly high quality for each individual part.
The latest generation of servo drives ensure high performance on all axes. The spindles of the machines are permanently lubricated, making them particularly resistant and low-maintenance.
In addition, each machine is equipped with a bi-directional hydraulic tool turret and a tailstock with live centre for positioning on heavy-duty flat guides.
Our TMi series machines are available in a suitable design for every operation from compact space savers to large performers.
With HURCO CNC lathes you can produce individual parts and small batches in no time at all and in customized quality.
CNC multi-axis lathes
Flexible, versatile and highly performant are the TM-Mi and TMX-MYi and MYSi turning centres, which are ideal for use in the complete turning and milling of small and medium-sized workpieces.
The slant-bed turning machines with 30° inclination are equipped with powerful ball screws.
The maintenance-free spindles, the hydraulically clamped tool turret and the tailstock with live centre on the models without counter spindle make the high-torque machine tools top performers with fast rapid traverse rates for high-performance cycles.
Hurco lathes are also equipped with driven tools for combined turning and milling and particularly high productivity.
For more information, please contact TH Machine Tools – Tel: 012 259 1375.
Continually improving our customers’ experience after sale and delivery of our CNC’s is very important to PBS Machine Tools.
By Paul Savides, Managing Director, PBS Machine Tools
Paul Savides Managing Director, PBS Machine Tools
How do we do it?
Simply, together with our suppliers; we create and test various advanced technologies that have been developed in order to assist our customers to improve their existing manufacturing impediments. Thus, optimizing their OEE and resulting in increased output and higher profit.
Leaning on previous Digital Transformational Control Systems, we have, in one instance, been able to adapt, replicate and evaluate alternative solutions, capable of addressing out of balance material deviations, predominantly experienced in castings and forged components.
Understanding the design and effective, operational capability of our CNC, we were able to adopt and test two solutions that can enhance machine and manufacturing process productivity, including
Pre and post component measuring through:
External, in-process measuring to pre-qualify the part
In machine measuring to asses and select the optimum machining program per situation
Post machining measuring to confirm machining conformity
Adaptive Cutting Condition Control by:
Monitoring the Axis load
Automatically adjusting the feed rate
Ensuring stable, efficient machining conditions
Through these guidelines our system can:
Automatically reject unbalanced out of gauge workpieces
Select appropriate machining programs
Adjust the feed rate in response to load variations
Ultimately, we can improve OEE through:
Achieving more stable machining outcomes
Better machine efficiency
Improved tool usage criteria
Saving significant input costs
In-process QC allows the user to make operational changes that occur during the machining process, resulting in higher quality, which in turn produces a higher Return on Investment (ROI) as a result of fewer production failures and defects, which simultaneously lowers manufacturing costs.
Also, when using Tongtai designed Edge Computing (TiMS), and/or Line Management (TLM) software, the gains experienced will exceed the increased cost expenditure of other defect prevention methods and once again, the benefit being an increase in profitability.
For more information please contact PBS Machine Tools – Tel: 011 914-3360.
Colchester & Harrison manual lathes are renowned worldwide for quality and reliability. Built to withstand rugged, heavy duty use, these lathes give years of outstanding service with the absolute minimum of maintenance. At the same time, all Colchester & Harrison manual lathes are capable of very fine precision turning.
VS manual lathes produce outstanding results not least due to their infinitely variable spindle speed feature. The standard ACU-RITE CSS DRO allows exactly the right speed for every job so tools perform better, cycle times are optimised and quality improves.
The entire range gives you exceptional ease of use and a huge choice of optional and ancillary equipment guarantees top of the range performance even for the most complex and challenging jobs.
With the investment in modern machine tool manufacturing technology, plant and assembly techniques, coupled with the latest quality-driven methodology and business practices, Colchester & Harrison are able to provide the same traditional solution to customers as yesteryear. However, today, customers have the additional benefit of a machine tool building company driven by the ambition of a ‘world-class’ strategy.
Magnum / V660
104mm spindle bore with 155mm option
Heavy duty 22kW (30hp) spindle motor
1500 to 4000mm gap bed length options available
Heavy duty variable speed spindle drive in 3 ranges from 18 -1800 rpm
(1000rpm on 155mm bore option)
670mm swing over bed
Induction hardened and ground bed
Precision hardened and ground gears in headstock
Magnum LS / V800
104mm spindle bore with 155 and 230mm options
Heavy duty 22kW (30hp) spindle motor
1500 to 4000mm gap bed length options now available
Heavy duty variable speed spindle drive in 3 ranges from 18 -1800rpm
(1000rpm on 155mm bore and 600rpm on 230mm options)
820mm swing over bed
Induction hardened and ground bed
Precision hardened and ground gears in headstock
Student / M300
Fully geared headstock with 12 spindle speeds from 40-2500rpm
2.2kW (3hp) spindle motor
635mm and 1000mm bed length options
330mm swing over bed
D1-4 Camlock spindle nose
Induction hardened and ground bed
Fully universal gearbox with most metric and imperial threads catered for
Built to standards DIN 8606 and BS4656 Part 1
Optional DRO (no CSS)
Super high precision taper roller spindle bearings
The “number 1” choice for training establishments worldwide
For more information, contact 600 SA Machine Tools – Cell: 072 157 6003
Machining in unstable conditions, particularly when dealing with geometrically complex parts, presents significant challenges for manufacturers. One of the primary issues is maintaining the stability of the part during machining. Such parts are prone to vibrations and movement during cutting, which can affect surface finish, reduce operational efficiency, accelerate tool wear, shorten tool life and even lead to tool breakage.
This article reviews the challenges and latest solutions from ISCAR, in the toolmaking industry, for machining in unstable conditions. It focuses on the use of advanced cutting tool geometries, anti-vibration technologies, unique cooling methods and optimization of cutting parameters. Machining parts with thin walls, high dimensional ratios or made from non-homogeneous materials, pose significant challenges due to the cutting forces exerted during material removal. These forces can cause
Vibrations and deformations of the workpiece, disrupting the cutting process,
Premature tool wear due to excessive tool movement and
Degradation of surface finish quality and dimensional accuracy because of instability.
Advanced Cutting Tool Geometries – The Technological Solution
Leading cutting tool manufacturers such as ISCAR, a member of the IMC Group, have developed unique insert geometries designed to reduce cutting forces and enhance process stability. ISCAR’s Logiq-4-Turn insert features
Four active cutting edges for extended tool life and efficient use,
Positive rake angles to minimize cutting forces and
Geometry optimized to reduce vibrations, improving machining stability even in unstable conditions.
The Logiq-4-Turn can be an excellent alternative to the popular CNMG inserts, which are typically negative. Unlike CNMG, the positive geometry of Logiq-4-Turn helps to reduce cutting forces and vibrations, providing better stability and surface finish in challenging machining operations.
Logiq-6-Turn
Building on this concept, ISCAR also offers the Logiq-6-Turn, a smart triangular insert with six positive cutting edges, providing an additional solution for reducing vibrations when machining unstable parts. A significant advantage of this insert is its full compatibility with standard toolholders designed for TNMG inserts, enabling a straightforward upgrade without the need to replace existing holders. Thanks to its advanced geometry, ensuring smooth cutting action, the Logiq-6-Turn effectively reduces cutting forces, enhances process stability and improves surface finish quality. The combination of six usable edges and superior performance makes this insert a highly economical and efficient choice, especially in applications involving machining vibration-sensitive parts, using light-duty machines or in challenging machining conditions with limited technological rigidity.
Anti-Vibration Systems – Whisper Line
Another effective solution that greatly contributes to machining in unstable conditions is ISCAR’s Whisper Line, a proprietary anti-vibration toolholder system, which is specially engineered to
Dampen and absorb vibrations during turning, boring, or grooving operations,
Ensure stable machining in long-reach applications that require a high tool overhang,
Minimize chatter and
Improve surface finish and dimensional accuracy, even in cases of low technological rigidity.
By utilizing Whisper Line toolholders, manufacturers can significantly enhance machining performance when dealing with cutting in unstable conditions, improving productivity and extending tool life.
Cooling Techniques and Optimization
In addition to advanced geometries and anti-vibration systems, properly shaped internal coolant channels integrated into the tool are crucial for delivering coolant directly to the cutting zone. Effective cooling reduces temperature and prevents part deformation. Moreover, optimizing cutting parameters such as speed, depth of cut and feed rate, combined with real-time monitoring systems, allows quick response to changes, creating a stable and reliable machining process.
Machining parts in unstable conditions presents a major challenge in manufacturing. However, with advanced tools featuring smart geometries like ISCAR’s Logiq-4-Turn, the use of Whisper Line anti-vibration holders, innovative cooling systems and dynamic process optimization, manufacturers can achieve superior surface finish, tool life and machining stability, ultimately improving productivity and part quality.
For more information, please contact ISCAR South Africa (PTY) LTD – Tel: 011 997-2700.
A2C has been refurbishing bearings for over 28 years, and customers include companies, such as ArcelorMittal, Ultragear, Highveld Steel, Geared-up, Sasol Mining, Wheels & Bearings etc. A2C refurbishes SKF and Timken products on a continuous basis and accepts any bearing size from diameter 80mm ID to3 meters OD. A2C also manufactures new bearings on request. The company is based in Johannesburg and easily accessible from the M2.
Managing Director Andries Heydenrych says,”we have never had come-backs and give a 100% guarantee on all our workmanship. Our customers receive a Warranty Certificate, and everything we do is strictly according to OEM specifications. Delivery period is +/- 10 working days from landing in our workshop to going out of the door.
While all quotations on bearings stripped are free of charge, we offer extremely cost effective solutions on refurbished bearings.
For more information contact Andries Heydenrych at 082 788 5999
With the Groov·tec™ GD G5111 axial grooving system, Walter achieves significantly higher stability than conventional grooving systems thanks to the double-serration profile.
New Parting Blades and Toolholders complete the Walter Groov·tec™ program
Walter AG is completing its Groov·tec™ GD grooving tool range with new offering, making it universally applicable for all applications in grooving/parting-off, groove turning and copy turning. Reinforced G5041 and neutral G5042 parting blades are new to the range. Both variants are available with or without integrated precision cooling. The range is complemented by the G5111 axial grooving system and Walter Capto™ turning holders (C3-C6) for the G5011 Groov·tec™ GD grooving system for radial grooving. Walter now offers users a particularly flexible solution for radial and axial machining in all common materials from steel and cast iron to difficult-to-cut materials. The system also impresses with high process reliability and performance for deep grooving operations and complex geometries.
The comprehensive product portfolio enables the user to select a universal tool for almost all diameter ranges and machining requirements. The stable Groov·tec™ GD serrated profile sets new standards for maximum process reliability and stability, as it increases the tool life of the indexable insert and toolholder by up to 50 %, according to Walter.
At the same time, the double-serration profile enables simple and secure installation of the cutting insert and prevents it from being pushed out sideways during the operation, often a common problem in groove turning. The combination of integrated precision cooling and double-serration also allows significantly higher cutting parameters and thus contributes to increased efficiency. The same applies to the seven available, highly wear-resistant Tiger·tec® Gold grades (3 CVD, 4 PVD), which further increase productivity. Walter offers new Walter Capto™ lathe holders G5011-C for radial machining with insert widths of 3-6 mm. Axial machining operations up to a cutting depth of 25 mm can be carried out precisely and reliably with the new G5111 tool. Walter offers the new G504 parting blades in neutral or reinforced versions, with self-clamping or screw clamping.
With the Groov·tec™ GD G5111 axial grooving system, Walter achieves significantly higher stability than conventional grooving systems thanks to the double-serration profile.
For more information, please contact Spectra Carbide Tooling Technology – Tel: 021 555 4144.
BLIN MACHINERY is a highly reputed Machine Tool manufacturer and exporter in CHINA. Blin’s main products are CNC turning machines, CNC milling machines and CNC drilling and tapping machines.
The company has three manufacturing bases in China, covering 40000㎡workshop space with more than 40 years history in machine tool manufacturing. Blin cooperates with German and TAIWANESE specialists, including a set up Design& Research Center in TAIWAN. Blin has an export sales Center in NINGBO City, including warehouse and showroom covered areas.
