You Ji CY550H
Image: image.youji.com, You Ji
Key Specifications
Max Spindle
Spindle Power
chuck size
max swing diameter
max turning diameter
max turning height
How much does the You Ji CY550H cost?
Price estimate
We do not have a price for the You Ji CY550H that we can stand behind, so we show no number. Configuration, options and installation move the final price a long way: a quote is the reliable figure.
Overview
The You Ji CY550H is a CNC vertical turning lathe designed around its pallet changer. The base machine has a 15 in (381 mm) chuck and a horizontal turret (the H in the name); the CY550H-APC adds an automatic pallet changer, which You Ji describes as a high efficiency APC system for workpiece loading and unloading.
The catalogue shows three ways of using the two pallets. In a dual part set-up both carry the same part, so the operator reloads one while the other is cut. In an OP1 and OP2 set-up one pallet holds the first operation and the other the second, and a part is finished across the pair. A mixed parts set-up runs two different jobs on the same machine.
The working envelope is unusual in one respect: swing and turning diameter are both Ø700 mm (27.6 in). On most of You Ji's vertical lathes the swing is larger than the turning diameter, so here the full swing can be cut. Turning height is 485 mm (19.1 in).
The spindle motor is 18.5/22 kW (24.8/29.5 hp) with a 50-2,500 rpm range, quicker at the top than the YV500 and YV550, which share the motor rating but stop at 2,000 rpm. The machine occupies 3,300 x 2,570 mm (129.9 x 101.2 in) and is 3,200 mm (126.0 in) high. The table gives no loading weight for this model, so the pallet load has to be confirmed.
Full Specifications
| Parameter | Value |
|---|---|
| Chuck Size | 15 in (381 mm) |
| Max Swing Diameter | Ø700 mm (27.6 in) |
| Max Turning Diameter | Ø700 mm (27.6 in) |
| Max Turning Height | 485 mm (19.1 in) |
| Spindle Motor Power | 18.5/22 kW (24.8/29.5 hp) |
| Max Spindle Speed | 50-2,500 rpm |
| Floor Space | 3,300 x 2,570 mm (129.9 x 101.2 in) |
| Machine Height | 3,200 mm (126.0 in) |
Specifications sourced from image.youji.com — verified 2026-10-04
Strengths & Limitations
Strengths
- Automatic pallet changer build (CY550H-APC) for loading during the cut
- Ø700 mm (27.6 in) turning diameter equal to the swing
- 50-2,500 rpm on an 18.5/22 kW (24.8/29.5 hp) motor, faster than the YV550's 2,000 rpm
- Dual part, OP1 and OP2, and mixed parts set-ups are all shown by the maker
Limitations
- No loading weight is printed for the CY550H in the catalogue table
- Turning height of 485 mm (19.1 in) limits it to disc and short housing parts
- Only one size and one turret type (horizontal) in the CY model key
Best For
Frequently Asked Questions
01
It exchanges two pallets so that one part can be loaded while another is machined. You Ji illustrates three uses: a high production dual part set-up, an OP1 and OP2 parts set-up, and a mixed parts set-up. The catalogue gives no pallet change time.
02
Maximum turning diameter and maximum swing are both Ø700 mm (27.6 in), and maximum turning height is 485 mm (19.1 in). The chuck size is 15 in (381 mm). A maximum loading weight is not listed for this model.
03
An 18.5/22 kW (24.8/29.5 hp) spindle motor with a 50-2,500 rpm speed range. The YV550, a turret machine of similar diameter, lists the same motor with 50-2,000 rpm.
04
The floor dimension is 3,300 x 2,570 mm (129.9 x 101.2 in) and the machine height 3,200 mm (126.0 in). The table does not say whether that floor dimension includes the pallet changer, so check the layout drawing for the CY550H-APC.
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