ACRA SCH-2290 22x90 in. Precision Engine Lathe

<p><b>SPECIFICATIONS:</b></p> <table border="1" cellspacing="0" cellpadding="0" width="520"> <tbody style="text-align: center;"> <tr> <td valign="middle" bgcolor="#333333" class="Title_white_bold"><div> <div align="center"><span style="color: #ffffff;"><strong>MODEL</strong></span> </div> </div></td> <td valign="middle" bgcolor="#333333" class="Title_white_bold"><div></div></td> <td width="192" valign="middle" bgcolor="#333333" class="Title_white_bold"><div> <div align="center"><span style="color: #ffffff;"><strong>SCH-2290</strong></span> </div> </div></td> </tr> <tr class="TableText_bold"> <td class="Title_white_bold" rowspan="6" valign="middle" bgcolor="#333333"><div> <div align="center"><span style="color: #ffffff;"><strong>CAPACITY</strong></span> </div> </div></td> <td class="TableText" valign="middle" bgcolor="#CCCCCC"><div align="center">Swing Over Bed</div></td> <td valign="middle" bgcolor="#FFFFFF" class="TableText"><div align="center">22 in.</div></td> </tr> <tr class="TableText_bold"> <td class="TableText" valign="middle" bgcolor="#CCCCCC"><div align="center">Height of Centers</div></td> <td valign="middle" bgcolor="#FFFFFF" class="TableText"><div align="center">11 in.</div></td> </tr> <tr class="TableText_bold"> <td class="TableText" valign="middle" bgcolor="#CCCCCC"><div align="center">Swing Over Gap</div></td> <td valign="middle" bgcolor="#FFFFFF" class="TableText"><div align="center">31.37 in.</div></td> </tr> <tr class="TableText_bold"> <td class="TableText" valign="middle" bgcolor="#CCCCCC"><div align="center">Swing Over Cross Slide</div></td> <td valign="middle" bgcolor="#FFFFFF" class="TableText"><div align="center">13.38 in.</div></td> </tr> <tr class="TableText_bold"> <td class="TableText" valign="middle" bgcolor="#CCCCCC"><div align="center">Distance Between Centers</div></td> <td valign="middle" bgcolor="#FFFFFF" class="TableText"><div align="center">90 in.</div></td> </tr> <tr class="TableText_bold"> <td class="TableText" valign="middle" bgcolor="#CCCCCC"><div align="center">Width of Bed</div></td> <td valign="middle" bgcolor="#FFFFFF" class="TableText"><div align="center">15.75 in.</div></td> </tr> <tr class="TableText_bold"> <td class="Title_white_bold" rowspan="4" valign="middle" bgcolor="#333333"><div> <div align="center"><span style="color: #ffffff;"><strong>HEADSTOCK</strong></span> AND SPINDLE</div> </div></td> <td class="TableText" valign="middle" bgcolor="#CCCCCC"><div align="center">Spindle Nose, Internal Taper</div></td> <td valign="middle" bgcolor="#FFFFFF" class="TableText"><div align="center">D1-11</div></td> </tr> <tr class="TableText_bold"> <td class="TableText" valign="middle" bgcolor="#CCCCCC"><div align="center">Spindle Center Sleeve</div></td> <td valign="middle" bgcolor="#FFFFFF" class="TableText"><div align="center">MT#7 x MT#6</div></td> </tr> <tr class="TableText_bold"> <td class="TableText" valign="middle" bgcolor="#CCCCCC"><div align="center">Spindle Bore</div></td> <td valign="middle" bgcolor="#FFFFFF" class="TableText"><div align="center">4.094 in.</div></td> </tr> <tr class="TableText_bold"> <td valign="middle" bgcolor="#CCCCCC" class="TableText"><div align="center">Spindle Speed<br> Gear Steps/Range</div></td> <td valign="middle" bgcolor="#FFFFFF" class="TableText"><div align="center">12 steps<br> 4P: 13, 20, 30, 47, 70, 105, 150, 230, 340, 530, 800, 1200rpm</div></td> </tr> <tr class="TableText_bold"> <td class="Title_white_bold" rowspan="2" valign="middle" bgcolor="#333333"><div> <div align="center"><span style="color: #ffffff;"><strong>CARRIAGE</strong></span> </div> </div></td> <td class="TableText" valign="middle" bgcolor="#CCCCCC"><div align="center">Cross Slide Travel</div></td> <td valign="middle" bgcolor="#FFFFFF" class="TableText"><div align="center">15.75 in.</div></td> </tr> <tr class="TableText_bold"> <td class="TableText" valign="middle" bgcolor="#CCCCCC"><div align="center">Top Slide Travel</div></td> <td valign="middle" bgcolor="#FFFFFF" class="TableText"><div align="center">8.98 in.</div></td> </tr> <tr class="TableText_bold"> <td class="Title_white_bold" rowspan="6" width="114" valign="middle" bgcolor="#333333"><div> <div align="center"><span style="color: #ffffff;"><strong>THREAD AND FEEDS</strong></span> </div> </div></td> <td class="TableText" valign="middle" bgcolor="#CCCCCC"><div align="center">Whitworth threads: Kinds/Range</div></td> <td valign="middle" bgcolor="#FFFFFF" class="TableText"><div align="center">44 Kinds / 2~75 T.P.I.</div></td> </tr> <tr class="TableText_bold"> <td class="TableText" valign="middle" bgcolor="#CCCCCC"><div align="center">Metric threads: Kinds/Range</div></td> <td valign="middle" bgcolor="#FFFFFF" class="TableText"><div align="center">39 Kinds / 0.2~14mm</div></td> </tr> <tr class="TableText_bold"> <td class="TableText" valign="middle" bgcolor="#CCCCCC"><div align="center">Diameter of leadscrew</div></td> <td valign="middle" bgcolor="#FFFFFF" class="TableText"><div align="center">1.77 in.</div></td> </tr> <tr class="TableText_bold"> <td class="TableText" valign="middle" bgcolor="#CCCCCC"><div align="center">Pitch of leadscrew</div></td> <td valign="middle" bgcolor="#FFFFFF" class="TableText"><div align="center">4 T.P.I., P=6mm</div></td> </tr> <tr class="TableText_bold"> <td class="TableText" valign="middle" bgcolor="#CCCCCC"><div align="center">Longitudinal feeds</div></td> <td valign="middle" bgcolor="#FFFFFF" class="TableText"><div align="center">0.0012 ~ 0.039 in.<br> (0.035 ~ 0.98mm)</div></td> </tr> <tr class="TableText_bold"> <td class="TableText" valign="middle" bgcolor="#CCCCCC"><div align="center">Cross feeds</div></td> <td valign="middle" bgcolor="#FFFFFF" class="TableText"><div align="center">0.0004 ~ 0.0117 in.<br> (0.011 ~ 0.296mm)</div></td> </tr> <tr bgcolor="#CCCCCC" class="TableText"> <td rowspan="3" valign="middle" bgcolor="#333333" class="Title_white_bold"><div> <div align="center"><span style="color: #ffffff;"><strong>TAILSTOCK</strong></span> </div> </div></td> <td valign="middle" class="TableText"><div align="center">Quill Diameter</div></td> <td valign="middle" bgcolor="#FFFFFF" class="TableText"><div align="center">3.15mm</div></td> </tr> <tr bgcolor="#CCCCCC" class="TableText"> <td valign="middle" class="TableText"><div align="center">Quill Travel</div></td> <td valign="middle" bgcolor="#FFFFFF" class="TableText"><div align="center">10 in.</div></td> </tr> <tr> <td valign="middle" bgcolor="#CCCCCC" class="TableText"><div align="center">Taper of Center</div></td> <td valign="middle" bgcolor="#FFFFFF" class="TableText"><div align="center">MT #5</div></td> </tr> <tr bgcolor="#CCCCCC" class="TableText"> <td rowspan="2" valign="middle" bgcolor="#333333" class="Title_white_bold"><div> <div align="center"><span style="color: #ffffff;"><strong>MOTOR</strong></span> </div> </div></td> <td valign="middle" class="TableText"><div align="center">Main Motor</div></td> <td valign="middle" bgcolor="#FFFFFF" class="TableText"><div align="center">Std.: 15 HP (11.25 kW)<br> Opt.: 20 HP (15 kW)</div></td> </tr> <tr bgcolor="#CCCCCC" class="TableText"> <td valign="middle" class="TableText"><div align="center">Coolant Pump</div></td> <td valign="middle" bgcolor="#FFFFFF" class="TableText"><div align="center">1/6 HP</div></td> </tr> <tr> <td rowspan="4" valign="middle" bgcolor="#333333" class="Title_white_bold"><div> <div align="center"><span style="color: #ffffff;"><strong>MEASUREMENT</strong></span> </div> </div></td> <td valign="middle" bgcolor="#CCCCCC" class="TableText"><div> <div align="center">Net Weight approx. </div> </div></td> <td valign="middle" bgcolor="#FFFFFF" class="TableText"><div align="center">7,000 lbs.</div></td> </tr> <tr bgcolor="#CCCCCC" class="TableText"> <td class="TableText" valign="middle"><div align="center">Gross Weight approx.</div></td> <td valign="middle" bgcolor="#FFFFFF" class="TableText"><div align="center">7,672 lbs.</div></td> </tr> <tr bgcolor="#CCCCCC" class="TableText"> <td class="TableText" valign="middle"><div align="center">Packing Size (length)</div></td> <td valign="middle" bgcolor="#FFFFFF" class="TableText"><div align="center">155.12 in.</div></td> </tr> <tr bgcolor="#CCCCCC" class="TableText"> <td class="TableText" width="206" valign="middle"><div> <div align="center">Width x Height </div> </div></td> <td valign="middle" bgcolor="#FFFFFF" class="TableText"><div align="center">45.27 x 66.9 in.</div></td> </tr> </tbody> </table> <p><b><br></b><b>FEATURES:</b></p> <ul><li>All castings are properly stabilized and stress relieved.</li><li>Bedways are hardened and ground min HRC48-55.</li><li>Extremely low noise level.</li><li>Foot brake pedal provided.</li><li>Wider bedway which absorbs vibration.</li><li>Y-Δ type spindle motor equipped for smooth start and operation.</li><li>Oil distributor may be adjusted to lubricate bedways, cross slide, or both.</li><li>Automatic and manual forced lubrication pump offer oil to bedways and cross slide.</li><li><strong>Universal Gearbox:</strong><ul><li>The universal type gear box provides a wide range of inch and metric threads without changing any gear for increasing convenience.</li><li>Gears are hardened</li><li>Oil bath lubrication in gear box</li></ul></li><li><strong>Apron:</strong><ul><li>A manual and automatic lubrication system equipped to keep the sliding ways and bedways lubricated.</li><li>Choice of right or left hand wheel</li><li>An overload protection device equipped to avoid machine damage</li><li>A limit switch equipped to protect the power feed motor</li></ul></li><li><strong>Rugged Headstock:</strong><ul><li>Forced lubrication to all running points.</li><li>Head housing features outstanding vibration dampening and deformation free performance.</li><li>Rugged head construction gives extra rigidity and heavy cutting</li><li>All gears and shaft are hardened and precision ground.</li><li>An O-ring around the headstock to avoid oil leakage, and offer more convenience to open/close the cover.</li></ul></li><li><strong>Rugged Tailstock:</strong><ul><li>Tailstock quill is graduated in inch/metric scales</li><li>A tang slot for positive drive of tool equipped</li><li>Two-step tailstock provides smooth operation</li></ul></li><li><strong>3V Sliding Ways:</strong><ul><li>The 3V type bed rail structure is more stable than the general bed rail structure, more suitable for heavy cutting, has high precision, and can extend the service life of the machine.</li><li>The bed has undergone hardened and quenching treatment and precision grinding to ensure optimal hardness, straightness and smoothness.</li></ul></li><li><strong>Frontward Chip Tray:</strong><ul><li>To save space when set up the lathe machine</li><li>Easier to clean up the chip after operation</li></ul></li><li><strong>Dual Braking System:</strong><ul><li>A mechanical brake system plus an electrical braking system to make sure the operator could stop the spindle in shortest time.</li></ul></li></ul> <p><strong>STANDARD EQUIPMENT: </strong></p><ul><li>D1-11 15 in. 3 jaws chuck</li><li>Spindle center sleeve MT7 x MT5</li><li>Dead center MT5 with carbide tip</li><li>Operation manual and parts lists</li><li>Level pads 6~10 pcs.</li><li>Rapid travel available (except 60 in.)</li><li>Coolant System</li><li>Chuck guard</li><li>Full length splash guard</li><li>Dead center MT5</li><li>Tool set and box</li><li>Halogen lamp</li><li>10 in. steady rest (40~254 mm)</li></ul>