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Republic Lagun
Features  
Optional Accessories

 
Family of Repulic Grinders -RH<

 


Republic RH-2A Series
Semi-Automatic
Precision Tool Room Surface Grinders

Outstanding Features
• Manufactured by ISO-9002 Certified builder.
• 2-Axis automatic feed. Hydraulic table longitudinal feed and motorized cross feed,
• controlled by PLC system.
• Manual vertical feed plus motorized rapid traverse.
• High grade Meehanite cast iron base, column, table, and saddle, multi-ribbed and properly aged.
• Table rides on precision V and flat ways. The saddle rests on double-V hand-scraped precision guideways which ride on Turcite B anti-friction bearing material.
• Centralized automatic lubrication system to all guideways and lead screws.
• Precision cartridge type grinding spindle mounted

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More features...
• Self-contained low pressure hydraulic drive system.
•Centralized console control system for all functions, mounted on articulated arm for operator convenience.
• Flood coolant system including table splash guards and stainless steel back guard.
• D.C. electromagnetic chuck and chuck controls on control console. Built-in safety feature ensures spindle cannot turn on until chuck is magnetized.
• Wheel dresser, manual over-the-wheel type.
• Complete with coolant, chuck, work light, wheel flange & nut, leveling screws & blocks, service tools, operators manual, wheel balancing stand and arbor.
• Complete 3/60/220/440 volt electrics in Nema-type enclosure with disconnect switch.

Model RH-820-2A RH-1024-2A RH-1224-2A RH-1632-2A
Capacities        
Table size 8” x 20”200 x 500 mm 10” x 24”250 x 600 mm 12” x 24”300 x 600 mm 16” x 32”400 x 800 mm
T slots (no. x width) 1 x 9/16”1 x 14 mm 1 x 9/16”1 x 14 mm 1 x 9/16”1 x 14 mm 3 x 7/10”3 x 18 mm
Grinding wheel sizeOD x Width x ID 8-2/3” x 1” x 3”220 x 25 x 75 mm 8-2/3” x 1” x 3”220 x 25 x 75 mm 10” x 1-1/4” x 3”250 x 32 x 75 mm 13.78” x 1.57” x 5”350 x 40 x 127 mm
Max. longitudinal travel 25.6” / 650 mm 26.3” / 670 mm 26.3” / 670 mm 36.2” / 920 mm
Max. cross transverse travel 10” / 250 mm 10.6” / 270 mm 10.6” / 270 mm 17.7” / 450 mm
Max. vertical travel 14” / 360 mm 14” / 360 mm 14” / 360 mm 17” / 430 mm
From table surface to spindle centerline (max) 18.5” / 470 mm 18.5” / 470 mm 18.5” / 470 mm 23.8” / 605 mm
Max. work piece weight 400 lb / 180 kg 466 lb / 210 kg 555 lb / 250 kg 1,222 lb / 550 kg
Table Movement
Longitudinal table speed (infinitely variable, hydraulic 9.8’ – 75.5’ / min.3 – 23 m / min. 9.8’ – 75.5’ / min.3 – 23 m / min. 9.8’ – 75.5’ / min.3 – 23 m / min. 9.8’ – 82’ / min.3 – 25 m / min.
Auto crossfeed increment 0.23” – 0.7”6 – 18 mm 0.23” – 0.7”6 – 18 mm 0.23” – 0.7”6 – 18 mm 0.23” – 0.7”6 – 18 mm
Rapid cross traverse 65.2” / min.1656 mm / min. 65.2” / min.1656 mm / min. 65.2” / min.1656 mm / min. 52” / min.1320 mm / min.
HandwheelCross traverse Per Grad.Per rev. 0.0004” / 0.01 mm 0.0004” / 0.01 mm 0.0004” / 0.01 mm 0.0004” / 0.04 mm
0.06” / 1.5 mm 0.06” / 1.5 mm 0.06” / 1.5 mm 0.06” / 1.5 mm
VerticalDownfeed
Rapid power elevation 22” / min.558 mm / min. 22” / min.558 mm / min. 22” / min.558 mm / min. 6.7” / min.171 mm / min.
Handwheeldownfeed Per Grad. 0.00008”/0.002mm 0.00008”/0.002mm 0.00008”/0.002mm 0.00004”/0.001mm
Per rev. 0.008” / 0.2 mm 0.008” / 0.2 mm 0.008” / 0.2 mm 0.005” / 0.125 mm
Spindle Drive
Spindle speed (60 hz) 3408 RPM 3408 RPM 3408 RPM 1728 RPM
Spindle motor power (3 ph) 3 hp / 2.2 kw 3 hp / 2.2 kw 4 hp / 3 kw 5.5 hp / 4 kw
Motors
Hydraulic motor 1 hp / 0.75 kw 1 hp / 0.75 kw 1 hp / 0.75 kw 3 hp / 2.2 kw
Crossfeed motor 0.22 hp / 0.16 kw 0.22 hp / 0.16 kw 0.22 hp / 0.16 kw 0.5 hp / 0.36 kw
Coolant pump motor 0.16 hp / 0.11 kw 0.16 hp / 0.11 kw 0.16 hp / 0.11 kw 0.16 hp / 0.11 kw
Vertical elevation motor 0.34 hp / 0.25 kw 0.34 hp / 0.25 kw 0.34 hp / 0.25 kw 0.5 hp / 0.36 kw
Overall dimensions (L x W x H) 104” x 65” x 75” 108” x 65” x 75” 108” x 67” x 75” 108” x 65” x 75”
mm 2650 x 1650 x 1900 2750 x 1650 x 1900 2750 x 1700 x 1900 3300 x 2000 x 2500
Weight (approx.) 3330 lb / 1500 kg 3550 lb / 1600 kg 3770 lb / 1700 kg 7111 lb / 3200 kg

Copyright ©2005 Republic Lagun® Machine Tool Co.