Ajax - Model AJ-500 - Surface Grinders

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Ajax - Model AJ-500 - Surface Grinders

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Ref:	sm1206
Manufacturer:	Ajax
Model/Type:	Model AJ-500 - Surface Grinders
Price (GBP):	P.O.A
Details:	There are many models of Ajax Surface Grinding Machines with working areas up to 3200 x 850mm. All machines are traditional in design with easy access for complete, accurate and efficient control. All models are suitable for toolroom and production work. The longitudinal table movement is hydraulically driven and the cross traverse and wheel head feeds are electrically driven, all with infinitely variable speed control. All models are available with manual downfeed of the wheel head and/or automatic downfeed which can be incrementally pre-set. Machines with the 'H' suffix indicate automatic longitudinal and cross feed as standard. Suffix 'HD' indicates that machines are also equipped with automatic downfeed. The Wheel Head The wheel head spindle on all models is mounted on super precision bearings, completely sealed and maintenance free. The casting is constructed for extreme rigidity of the spindle and bearing assemblies. The grinding spindle is directly coupled to a dynamically balanced, flange-mounted motor through a shock absorbing coupling. The wheel head of all HD models is provided with rapid power positioning with fine positioning carried out by means of a 0.0025mm incremented handwheel. Table The longitudinal movement of the table is provided hydraulically and the rate of traverse is infinitely variable between the ranges shown below. Lubrication of all slideways is by means of an electronically controlled pump unit through metering valves to the various lubrication ports. Hand traverse of the work table is by means of a hand wheel rack and pinion. The table is provided with ample operator splash protection. Working surface (mm): 483 x 228 Maximum Longitudinal Traverse (mm): 520 Longitudinal speed (m/min): 7-25 Maximum grinding length & width (mm) : 508 x 254 Maximum table loading (kg): Grinding Head Grinding wheel size (mm): 200 x 13 x 32 Spindle speed (rpm): 2900 Maximum height of spindle centre (mm) : 480 Vertical positioning: Hand (H) Power (HD) Vertical downfeed (HD model only): Auto Vertical traverse handwheel graduation (mm) : 0.0025 Cross feed handwheel graduation (mm) : 0.02 Cross feed travel (mm): 0-267 Automatic cross traverse (mm): 0-17.5 Hydraulic System Working pressure (kg/cm2): 18-22 Tank capacity (l): 60 Motors: Grinding spindle power: 2Hp (1.5kW) Cross feed: 0.2Hp (0.15kW) Vetical positioning / downfeed: 0.25Hp (0.18kW) Hydraulic pump: 2Hp (1.5kW) Coolant pump: 0.25Hp (0.18kW) Coolant flow rate (l/min): 40 Weight and Dimensions Net weight of machine (kg): 1300 Gross weight (kg): 1550 Dimensions (mm): 1524 x 914 x 1740 Shipping case dimensions (mm): 1680 x 1630 x 2010
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