AUTOMATIC END HOLE TURNING
Automatic End Hole Turning Machine for Precision Machining
The Automatic End Hole Turning Machine is an advanced machining solution engineered for accurate internal boring and finishing of pipe ends, shafts, and cylindrical components. It ensures high precision in bore dimensions, smooth internal surface finish, and perfect alignment for critical industrial applications.
Designed for efficiency and consistency, this Automatic End Hole Turning Machine is widely used in mass production environments where speed and repeatability are essential. With CNC or servo-based control, automatic tool movement, and stable cutting performance, it delivers reliable machining results while reducing manual effort and production time.
Key Features
- Used for the synchronous processing of the spigot at both ends of the steel pipe.
- The vertical and horizontal feeding of the tool is driven by hydraulic pressure, which produces smooth feeding with high precision.
- The workpiece’s clamping, positioning, tool feeding and withdrawing are automatically done in sequence with high productive efficiency.
- Safety & Protection Features — overcurrent protection, overload alarms, tool breakage detection, interlocks
SPECIFICATION
| Model | QJKA-159-2.2D-Z | QJKA-219-2.6D-Z |
|---|---|---|
| Spindle center height of the machine tool | 900 mm | 900 mm |
| Outer dia. of steel pipe | Ø76–Ø159 mm | Ø76–Ø219 mm |
| Length of steel pipe | 200–2200 mm | 200–2600 mm |
| Spigot depth | 0–70 mm | 0–70 mm |
| Moving speed of the slide | 2000 mm/min | 2000 mm/min |
| Spindle speed | 350 r/min, 500 r/min | 250 r/min, 390 r/min |
| Feeding speed | Hydraulic stepless adjustable | Hydraulic stepless adjustable |
| Cutting depth | 0–3 mm | 0–3 mm |
| Toolholder axial feeding graduate | 0.05 mm | 0.05 mm |
| Toolholder axial back-off repeated positioning precision | 0.05 mm | 0.05 mm |
| Main driving motor | 11 kW 1450 r/min | 11 kW 1450 r/min |
| Workpiece clamping motor | 4 kW 1450 r/min | 4 kW 1450 r/min |
| Hydraulic system pressure | 2.5–4 mPa | 2.5–4 mPa |
| Flow | 25 L/min | 25 L/min |
| Dimension (L×W×H) | 5334×1120×1200 mm | 5734×1120×1200 mm |
| Weight | 5500 kg | 5800 kg |
| Processing Precision | ||
| Diameter tolerance of the spigots at both ends | IT8 | IT8 |
| Roughness of the cutting surface Ra | 6.3–3.2 μm | 6.3–3.2 μm |
| Spacing tolerance of the spigots at both ends | ≤0.2 mm | ≤0.2 mm |
| Model | QJKA-159-2.2D-Z | QJKA-219-2.6D-Z |
|---|---|---|
| Spindle center height of the machine tool | 900 mm | 900 mm |
| Outer dia. of steel pipe | Ø76–Ø159 mm | Ø76–Ø219 mm |
| Length of steel pipe | 200–2200 mm | 200–2600 mm |
| Spigot depth | 0–70 mm | 0–70 mm |
| Moving speed of the slide | 2000 mm/min | 2000 mm/min |
| Spindle speed | 350 r/min, 500 r/min | 250 r/min, 390 r/min |
| Feeding speed | Hydraulic stepless adjustable | Hydraulic stepless adjustable |
| Cutting depth | 0–3 mm | 0–3 mm |
| Toolholder axial feeding graduate | 0.05 mm | 0.05 mm |
| Toolholder axial back-off repeated positioning precision | 0.05 mm | 0.05 mm |
| Main driving motor | 11 kW 1450 r/min | 11 kW 1450 r/min |
| Workpiece clamping motor | 4 kW 1450 r/min | 4 kW 1450 r/min |
| Hydraulic system pressure | 2.5–4 mPa | 2.5–4 mPa |
| Flow | 25 L/min | 25 L/min |
| Dimension (L×W×H) | 5334×1120×1200 mm | 5734×1120×1200 mm |
| Weight | 5500 kg | 5800 kg |
| Processing Precision + | ||
| Diameter tolerance of the spigots at both ends | IT8 | IT8 |
| Roughness of the cutting surface Ra | 6.3–3.2 μm | 6.3–3.2 μm |
| Spacing tolerance of the spigots at both ends | ≤0.2 mm | ≤0.2 mm |
Frequently Asked Questions
What you should know
What is an Automatic End Hole Turning Machine?
An Automatic End Hole Turning Machine is a precision machining system designed to perform end-hole turning operations on pipes, rollers, and cylindrical components. It helps manufacturers achieve accurate hole dimensions, smooth finishes, and consistent quality with reduced manual intervention.
What are the applications of an Automatic End Hole Turning Machine?
Automatic End Hole Turning Machines are widely used in idler roller manufacturing, conveyor roller production, pipe processing, and heavy fabrication industries. They help in machining both ends of components with high accuracy and improved production efficiency.
What are the benefits of using an Automatic End Hole Turning Machine?
The major benefits include higher machining accuracy, faster production cycles, reduced operator dependency, consistent output quality, and improved productivity. Automation also helps minimize errors during repetitive turning operations.
How does an Automatic End Hole Turning Machine improve roller manufacturing?
This machine streamlines the roller manufacturing process by providing precise end-hole machining, better alignment, and faster processing. It supports efficient production of conveyor rollers and other cylindrical components.
Why choose Kaiyuan’s Automatic End Hole Turning Machine?
Yes, automatic end hole turning machines can be configured according to different workpiece sizes, diameters, and machining requirements. Customization helps manufacturers achieve the required production capacity and accuracy.
Can an Automatic End Hole Turning Machine handle different pipe and roller sizes?
Yes, automatic end hole turning machines can be configured according to different workpiece sizes, diameters, and machining requirements. Customization helps manufacturers achieve the required production capacity and accuracy.