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Connoisseur Specification

SUPER 7 CONNOISSEUR, Vari-Speed, belt driven, back geared, screw cutting, bench mounting, centre lathe - 89mm (3.1/2") centre height x 475mm (18.3/4") or 780mm (30.3/4") between centres, with Headstock spindle bored 26mm to clear 25.4mm (1") and incorporating a safe reversing feature. The spindle nose is precision bored and ground 4MT. Imperial model with 10TPI cross slide and top slide feedscrews and nuts, inch graduations on the tailstock barrel and leadscrew handwheel; or Metric model with 2mm pitch cross slide and top slide feedscrews and nuts, metric graduations on the tailstock barrel. the beds are not hardended but are brand new never been used before

The lathe is fitted with a quick change screw cutting gearbox, which in conjunction with the 8TPI leadscrew gives 24 imperial/inch threads and 24 feeds; a thread dial indicator is fitted to the apron. (For metric, BA, odd threads and pitches, the optional 1481/1 Metric Conversion Kit will be required).

The machine is fitted with a countershaft clutch unit. A plain taper front headstock bearing supports the spindle in radial loading, while a pair of angular contact ball races at the rear provides support for axial loads. The spindle nose is threaded M42.5 x 2mm pitch. An indexing plunger can be engaged with the 60T bullwheel to provide simple indexing of the spindle, up to 120 divisions. Variable speed spindles from 26-3000rpm are achieved in three distinct speed ranges, by a two speed drive from countershaft to headstock spindle and a back gear reduction. Both primary and secondary drives are fitted with Poly-V belts. All drive guards are secured with ¼" turn latches opened by a special square drive key.

The carriage features power cross feed (facing), a tee slotted cross slide, and the top slide swivels 360°. Both cross slide and top slide feedscrews are fitted with adjustable micrometer dials. The cross slide feedscrew is fitted with a needle thrust bearing to increase sensitivity.

The drive is motorised by a 0.75kW (1hp), 230V, 3PH, 50/60Hz, resilient mounted, industrial rated motor. A separate enclosure houses the electrical installation which includes a lockable isolator, start and stop buttons, forward/reverse and run/jog selector switches, and a mushroom head emergency stop button with turn-to release.

The electronically controlled variable speed inverter control features no-volt release and thermal overload protection and only requires a 230V, 1PH, 50/60Hz power supply, with fuse protection of 10 amps from the customers supply. A 10 turn potentiometer gives sensitive speed control and is accompanied by an electronic tachometer with digital display. Power inlet is via a CEE 17 plug, with 3 metres H07 insulated cable, for 230V, 1PH, 50/60Hz AC supply.

This Connoisseur lathe is fitted with a DRO system.

Machines can be supplied for either bench mounting or fitted to a heavy duty industrial stand.

For pictures, please see below.

40/124 5" GS Pratt Burnerd Chuck with backplate.
30/022 Chuck Guard Assembly
78175 Quick Change Toolpost Set
12222 Headstock Reducing Sleeve
70/1249 2MT Soft Centre (for headstock)
70/1248 2MT Hard Centre (for tailstock)
1419 Thread Dial Indicator
70104 Poly V Belt Primary Drive (fitted)
70103 Poly V Belt Secondary Drive (fitted)
1430 Leadscrew Handwheel and Pointer (imperial machines only)
11285/24 24T Changewheel - fitted to tumbler sleeve gear
15328 'C' Spanner
80147 Safety Key for Guards
82006 Quick Change Gearbox Manual
80024 Esso Nuto 32
80025 Esso Febis K68

£11,425 + VAT

The Connoisseur Lathe

Headstock And Motorising Assembly

Carriage And Topslide