SMEC SV4020

$110,000 - $175,000 Updated 2026-03-16

Key Specifications

Max Spindle

12,000 RPM

Spindle Taper

No. 40 (BT40 / CAT40)

Tool Capacity

24 tools (arm-type ATC)

Table Size

1,020 x 510 mm (40.2 x 20.1 in)

Rapid Traverse

48/48/36 m/min (X/Y/Z)

Spindle Power

22/15 kW (30/20 hp)

Overview

The SMEC SV4020 is a large-travel vertical machining center featuring 1,020mm X-axis travel, designed for shops machining medium-to-large workpieces in a single setup. Built on SMEC's proven slant-column VMC platform with Doosan-group manufacturing heritage, the SV4020 offers a 1,020 x 510 mm table with linear guide construction for high rapid traverse and productive light-to-medium cutting across a wide variety of materials including aluminum, steel, stainless, and cast iron. The machine targets job shops, mold makers, and production manufacturers who regularly work at or near the limits of 850mm-class VMCs and need added X-axis capacity without stepping up to a full double-column machining center.

The SV4020's column and bed are cast from high-grade Meehanite iron with ribbed internal structure to maximize damping and thermal stability. A high-speed BT40 spindle running up to 12,000 RPM paired with 22 kW of power delivers productive cutting across both aluminum high-speed work and steel production applications. The 24-tool arm-type ATC provides adequate tool capacity for most single-setup programs, with expanded magazine options available for complex programs requiring larger tool libraries.

Fanuc 0iMF Plus is standard, providing broad CAM post availability and access to Fanuc's global support network. The control supports conversational programming for setup personnel, full G-code and macro programming for CAM-driven programs, and tool life management for unattended production. Programmable coolant, full enclosure, and chip conveyor integration make the SV4020 production-cell-ready.

The SMEC SV4020 competes with the Doosan DNM 6700, Hyundai WIA F600D, and Mazak VCN-530C in the large-table VMC segment. Typical pricing runs from $110,000 to $175,000 depending on configuration. For shops needing 1,000mm-class X-axis travel on a linear-guide VMC at a price point below Japanese premium brands, the SV4020 offers a compelling production platform.

Full Specifications

Parameter	Value
Table Size	1,020 x 510 mm (40.2 x 20.1 in)
X Y Z Travel	1,020 x 510 x 510 mm (40.2 x 20.1 x 20.1 in)
Max Spindle Speed	12,000 RPM
Spindle Taper	No. 40 (BT40 / CAT40)
Spindle Motor Power	22/15 kW (30/20 hp)
Tool Capacity	24 tools (arm-type ATC)
Rapid Traverse Rate	48/48/36 m/min (X/Y/Z)
Max Table Load	1,000 kg (2,205 lb)
Guideway Type	Linear guides (all axes)
CNC Control	Fanuc 0iMF Plus
Coolant System	Programmable coolant standard
Machine Weight	Approx. 9,000 kg (19,840 lb)
Hearing Aid	and Hearing ProtectionΔΔΔΔ

Strengths & Limitations

Strengths

1,020mm X-axis travel accommodates long parts, multiple fixture setups, and tombstone-style workholding that would exceed the capacity of standard 762–850mm class VMCs
Linear guide construction on all axes enables high rapid traverse rates (48 m/min X/Y) for productive positioning in high-mix, multi-part-setup environments
22 kW spindle power with 12,000 RPM provides versatility from aluminum high-speed finishing to steel heavy roughing without requiring a specialty machine for each material type
Doosan-group manufacturing heritage and Fanuc 0iMF Plus control provide a proven reliability baseline with global control support and spare parts availability

Limitations

SMEC's dealer and service network in North America and Europe is less developed than DN Solutions or major Japanese brands, which may affect service response times and parts availability
24-tool ATC capacity is adequate for most programs but may require tool management discipline on complex mold or aerospace programs with large tool libraries
Linear guide construction, while enabling high traverse rates, provides less vibration damping than box-way alternatives in heavy-cut applications in hardened steel and ductile iron

Best For

Job shops and production manufacturers regularly working parts that exceed 762mm or 850mm X-axis capacity on their existing VMC fleet, requiring a step up without moving to a double-column machine Mold and die shops producing larger mold bases, cavity blocks, and die components in the 1,000mm X-travel range where a single-setup VMC footprint is preferred Aerospace and defense suppliers machining structural components, brackets, and panels in the 1,000mm-class that require full travel on a vertical platform Shops standardized on Fanuc control seeking a large-table VMC with competitive Korean-brand pricing versus Japanese or European alternatives in the same travel class

Frequently Asked Questions

01 How does the SMEC SV4020 differ from the SMEC SV510?

The SMEC SV510 is a standard 510mm-class VMC designed for the core production segment, while the SV4020 features 1,020mm X-axis travel for larger workpieces and multi-fixture setups. The SV4020 is a substantially larger machine with heavier construction and greater table load capacity. Shops with parts regularly exceeding the 510mm or 600mm X-axis range should evaluate the SV4020; shops running typical job shop part sizes will be well-served by the more affordable SV510.

02 Can the SV4020 machine aluminum aerospace parts?

Yes. The SV4020's 12,000 RPM BT40 spindle and 48 m/min rapid traverse are well-suited for aluminum aerospace part production. The linear guide construction supports the high feed rates and rapid positioning required for productive aluminum machining. For very high-speed aluminum work requiring 20,000+ RPM, shops may consider higher-spindle-speed options, but 12,000 RPM covers the majority of structural aluminum aerospace work.

03 What is the maximum workpiece weight the SV4020 can handle?

The SV4020 table is rated for a maximum load of 1,000 kg (2,205 lb), which is sufficient for most workpiece and fixture combinations in the 1,000mm X-travel class. Shops working with particularly heavy fixtures or very dense workpiece materials (heavy steel billets, large cast iron components) should verify that the combined part and fixture weight does not approach or exceed this rating, as exceeding the table load limit can affect guideway longevity and accuracy.

04 Is the SV4020 available with a larger tool magazine?

The standard SV4020 ships with a 24-tool arm-type ATC. SMEC and regional distributors can configure expanded magazine options for programs requiring more tool positions. Shops with complex programs regularly exceeding 24 tools should specify their tool capacity requirements during the purchase process to ensure the correct ATC configuration is supplied. Alternative configurations may affect delivery lead time.

05 How does the SV4020 compare to the Doosan DNM 6700?

Both machines compete in the large-table VMC segment with Doosan-group manufacturing heritage. The DN Solutions DNM 6700 benefits from the full DN Solutions dealer and service network, which is more comprehensive in North America and Europe. The SV4020 may offer competitive pricing in certain markets. Specification-wise, both machines are broadly comparable in travel range, spindle power, and control options. Shops with existing DN Solutions service relationships may prefer the DNM 6700; cost-focused buyers should compare regional pricing and dealer support.