TMC machining centres make show debut

XYZ Machine Tools has two stands at the show (G260 and H260), with one dedicated to the new TMC (Toolroom Machining Centre) range of machining centres. This four-machine range builds on the existing linear-rail machines offered by XYZ Machine Tools, but with the added familiarity to many toolrooms of the latest ProtoTRAK control system.

The range is available as 500, 750, 1000 and 1600 variants, with the number referencing the machine’s X-axis travel. Equipped with fully enclosed guarding, 20-station tool changer (12 station on the XYZ 500 TMC) all models offer 11 kW spindle power with 8000 rpm (12,000 rpm available as an option on some machines), XYZ says that the TMC series takes toolroom machining to the next level with volume batch work well within its capabilities.
For further information www.xyzmachinetools.com

One-hit turn-milling boosts throughput

Four members of the Toyne family, managing director Chris, his wife and company secretary Christine and two other directors – their son Jason and his wife Julie – runsubcontracting firm Mintdale Engineering of Chesterfield. The company specialises in the CNC turning of bar, tube and billet, as well as CNC milling on five VMCs.

Take, for example, an aluminium gas regulator base produced on the company’s latest turning centre, an Italian-built Biglia B465 T2 Y2 twin-spindle, twin Y-axis turret model supplied by sales and service agent Whitehouse Machine Tools. The 1.25 inch high cuboid part is machined from 2 inch square bar fed by an LNS Quick Load Servo 80 S2 short bar magazine.

This component, which Mintdale Engineering has been producing for 22 years, was latterly machined 20 at a time on a twin-pallet-change VMC. Op 1 involved machining three sides, milling a circular pocket, drilling various holes and then tapping them, while Op 2 after pallet change completed similar features. The floor-to-floor time per base was two minutes.

On the Biglia, Mintdale produces the part in one hit and requires only a small amount of face turning and parting off, the remainder of the cycle being prismatic machining. Both live turrets are deployed at the main spindle for some of the time, followed by simultaneous machining at both spindles using the two tool carriers. Although the cycle time is three minutes, 50% longer per part than before, the big advantage (and saving) is that production is unattended, unlike on the VMC. The finish-machined components pass through the counter spindle onto a conveyor feeding a Hydrafeed Rota-Rack parts accumulator.
For further information www.wmtcnc.com

Plug-and-play five-axis automation system

Taking pride of place on the Mazak stand (F180) is its UK-made CV5-500 machining centre, supported with a plug-and-play, low-footprint MA-20/400 part-loading automation system.
According to the company, this versatile five-axis machine featuring a 500 mm diameter table, is unique in its category due to its high-rigidity bridge construction with a fully supported trunnion table that travels in the Y-axis direction under the bridge, delivering an accurate and compact machining solution. Attributes include rapid traverse rates of 36 m/min in the X, Y and Z axes, and an optional 18,000 rpm, 18.5 kW high-speed spindle.
For further information www.mazakeu.co.uk

Subcontractor turns to SMEC turning centre

With the turned components at DGF Engineering increasingly needing secondary milling operations on machining centres, the Royston-based subcontractor recently acquired a SMEC SL 2000M turning centre from Dugard.

“We picked this machine as we needed an upgrade,” states Liam Fernard workshop manager at DGF Engineering.“The machine that we had was only a two-axis machine and we were getting more and more work needing additional milling work. As we were happy with the service we had received from Dugard on our previous acquisition, a Dugard 1000 three-axis VMC, we naturally looked at their lathes and this one ticked all the boxes.”

The SMEC SL 2000M slant-bed CNC turning centre has a 570mm swing over bed and a 460mm swing over the cross slide with a maximum machining diameter of 360mm and a machining length up to 540mm. The 8inch chuck machine has a bore diameter of 76mm that accommodates a maximum bar capacity of 68mm. As with all machines in the SMEC range, Dugard says that the SMEC SL 2000M is a powerhouse with its 15/18kW spindle motor that drives the spindle at a speed up to 4500rpm and a 3.7/5.5kW motor that drives the driven tooling stations in the 12-position tooling carousel.

Discussing the components machined on the new Dugard SMEC turning centre, Fernard says: “We’re a typical subcontract company, so batches are varied and volumes of up to 200 parts is a big batch for us. We will machine a bit of everything on this machine;it will help our production move much faster. Dugard have been excellent and the investment is 100% worth it.”
For further information www.dugard.com

Mazak to build Swiss-type lathes in USA

To support the production of yet another new Kentucky-designed and built line of machine tools, Mazak has expanded the company’s Florence manufacturing campus with the addition of its new Syncrex assembly plant. The 27,000 sq ft building combines engineering, production and applications support for Mazak’s recently launched Syncrex series of Swiss-type turning centres for the precision machining of small parts.

With an output capacity of up to 10 machines per month, the Syncrex building features all the necessary overhead cranes and equipment its employees need to produce 16 different models within the series for the North American market. The machines come in four bar stock capacities (20/25/32/38) and four different axis configurations, up to a 9X model with full B-axis contouring capabilities. Production flow through the building starts with a machined base that progresses through assembly operations and on to alignment, testing, inspection and run-off procedures prior to shipping.

Kevin Sekerak, plant manager at Mazak, says: “Within the new building’s production flow, we’ve incorporated applications support, which is extremely critical for this particular type of machine. That support entails integrating various forms of automation and other ancillary systems together with the machines, then proving them out to make sure they all operate to customer performance requirements and specifications. Often, applications specialists will work side by side with assembly technicians during customer machine run-offs.”

The sliding-headstock Syncrex machines all sit on Mazak high-damping composite castings (HDCC) produced in the US and machined at Mazak Kentucky. This high-rigidity base provides greater vibration damping characteristics, less thermal growth and greater part surface capabilities when compared to cast-iron base machines, says Mazak. The company also produces Syncrex spindles, headstocks, sheet metal and other key components in Kentucky.
For further information www.mazakusa.com