The Chester SH Series of CNC Lathes feature not only a high rigid structure but also multiple functions for Eccentric and Tool-Traveling / Turning.

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The tool travels turning on X,Y and Z Axes. These machines provide superior performance on both long and short work piece machining. The exceptional machining capabilities, accuracy and stability ensure the SH Series are the best in their class. You will be amazed at the versatile machining performance of the Chester SH20/20Y CNC Lathe. Although compact in construction it offers multi-functions for maximum flexibility. The machine is equipped with a sub-spindle allowing turning, milling, drilling and tapping.

Model SH20 SH20Y
Main Spindle Max. Turning Diameter 20mm 20mm
Sub Spindle Max.Turning Diameter 20mm 20mm
Max.Turning Length(Rotating Bush) 250/190mm 250/190mm
Max.Turning Length(Non Bush) non/50mm non/50mm
Max.Turning Length(Fixed Bush) 280/220mm 280/220mm
Main Spindle Max. Drilling/Tapping Capacity 10/M8mm 10/M8mm
Sub Spindle Max. Drilling/Tapping Capacity 10/M6mm 10/M6mm
O.D Tool Holder 6/12mm 6/12mm
IDTool Holder 4/22mm 4/22mm
S1 Cross Live Tool Holder 5pcs/ER-16 5pcs/ER-16
Sub Spindle Face Live Tool Holder 4pcs 8pcs
Control Axis(With C Axis) 7pcs 8pcs
Main/Sub Spindle Bore 26.6mm 26.6mm
Main/Sub Spindle Max.Speed 10000/8000rpm 10000/8000rpm
X1/Z1/Y1/X2/Z2/Y2-Axis Rapid Traverse 24m/min 24m/min
S1 Cross Drilling Max.Speed 8000rpm 8000rpm
S1 Cross Driven Motor 1.2kw(1.63hp) 1.2kw(1.63hp)
S2 Face Driven Motor 0.5kw(0.68hp) 0.75kw(1.02hp)
S2 Face Drilling Max.Speed 8000rpm 8000rpm
Main Spindle Motor 2.2/3.7kw(2.99/5.03hp) 2.2/3.7kw(2.99/5.03hp)
Sub Spindle Motor 2.2/3.7kw(2.99/5.03hp) 2.2/3.7kw(2.99/5.03hp)
X1/Z1/Y1Motor 0.75kw(1.02hp) 0.75kw(1.02hp)
X2/Z2 Motor 0.5kw(0.68hp) 0.5kw(0.68hp)
Y2 Motor n/a 0.5kw(0.68hp)
Coolant Pump 2.3kw(3.13hp) 2.3kw(3.13hp)
Power Requirements 20KVA 20KVA
Lubrication Capacity 2L 2L
Coolant Tank Capacity 220L(100%) 220L(100%)
Machine Dimenstions(Lxwxh) 2846x1284x2024mm 2846x1284x2024mm
Net Weight 2670kgs 2700kgs



• FANUC 32i Controller

• External Tool Holder(6 Tools)

• Inner Tool Holder(5 Tools)

• Cross Drilling Tool Holder(6 Tools)

• Parts Catcher and Conveyor

• Tool &Toolbox

• Lighting Device

• Fixed Guide Bushing Holder

• Main Spindle Servo Motor

• Main Spindle With C-Axis Function

• Cutting Coolant

• Cutting Coolant Inspection (Electronic Type)

• Cut-off Inspection

• Lubrication Device

• Sub-Spindle with C-Axis Function

• Sub-spindle

• Face Drilling/Milling Tool Holder(4 Tools) for Sub-Spindle (20 only)

• Face Drilling/Milling Tool Holder(8 Tools) for Sub-Spindle(20Y  only)

• Y2-Axis(20Y only)

• Fixed Tool Holder(Sub-Spindle)

• Rotary Tool Holder( Sub-Spindle)

• 3-Position O.D. Tool Holder(Sub-Spindle) (20 only) 

• Chuck Gripper

• Machining Room With Safety Lock

• Guide Bush

• Spindle Collet Chuck

• Operation Manual

• Nc Control Operation Manual

• Nc Control Maintenance Manual

• Cutting Oil Cooler

• Main And Sub-spindle Oil Cooling System

• Transformer



• ER16 M2 Double Side Inner Tool Holder

• Simultaneous Rotary Guide Bush Holder

• Non Guide Bush Holder

• Long Parts Catcher

• Chip Conveyor&Cart

• ER 16/20 Collet Set

• Cutting Oil Chiller

• Stationary Drilling Tool Holder(Sub-Spindle)

• Rotary Drilling Tool Holder(Sub-Spindle)

• Thread Whirling Uit(without Insets and Insert Holder)Power Driven Saw Unit

• 3-Position Eccentric Tool Holder(Main and Sub-Spindle)

• 3-Position Angle Drilling Tool Holder(Manual)

• 1-Positon Cross Live Tool Holder(Sub-Spindle)

• O.D. Tool Holder(Sub-Spindle)

• Shortened Type 16 Id Tool Holder(Sub-Spindle)

• 16 Id Tool Holder(Sub-Spindle)

• Extended Id Tool Holder For Sub-Spindle(16,1-2)

• Extended Tool Holder 16

• Oil Mist Collector

• High Pressure Coolant System

• 15/50/100 Bars(With Sub-Coolant Tank)

• Hydraulic Bar Feeder Vito-42 /3M Or 2M

• Hydraulic Chuck For Sub-Spindle

• Voltage Stabilizer

• ER16 Collect Chuck Shank25X100L

• Extra 10 Sets M Codes

• Sub-spindle Hydraulic System

Click the links below to download the specific documents.
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