The MORI SEIKI MV-JUNIOR is a compact CNC vertical machining center designed for precision milling, prototyping, and light production applications. Manufactured by DMG MORI Co., Ltd. (originally under the Mori Seiki brand), the MV-JUNIOR is known for its rigid cast-iron construction, reliable spindle performance, and exceptional Japanese build quality. This machine remains a popular choice in the used CNC market because it offers dependable machining capability in a space-efficient footprint.
The MORI SEIKI MV-JUNIOR typically features approximately 20 inches of X-axis travel, 16 inches of Y-axis travel, and 18 inches of Z-axis travel. It is equipped with a BT40 spindle capable of up to 8,000 RPM and a spindle motor rated around 10–15 hp. Most machines include a 16- or 20-tool automatic tool changer and a Fanuc CNC control. Common options include coolant systems, chip conveyors, and fourth-axis capability.
The MV-JUNIOR is widely used in tooling, electronics, medical, aerospace, and general manufacturing. Typical applications include brackets, housings, fixture components, mold inserts, and prototype parts.
The MORI SEIKI MV-JUNIOR remains an excellent investment because it combines compact dimensions, proven reliability, and high-precision machining performance.
MORI SEIKI MV-JUNIOR SPECIFICATIONS
MORI SEIKI MV-JUNIOR – AXIS
Number of Axes
3-Axis CNC Vertical Machining Center
Axis Configuration
X, Y, Z
Optional 4th Axis
Yes
Positioning Accuracy
High Precision
Repeatability
Excellent
Machine Type
Compact Vertical Machining Center
MORI SEIKI MV-JUNIOR – AXIS TRAVELS
X-Axis Travel
20 in (510 mm)
Y-Axis Travel
16 in (410 mm)
Z-Axis Travel
18 in (460 mm)
Rapid Traverse Rate
Up to 945 ipm (24 m/min)
Spindle Nose to Table
Approx. 4 – 22 in
Guideway Type
Box Ways
MORI SEIKI MV-JUNIOR – CAPACITY
Table Size
28 x 16 in (710 x 410 mm)
Maximum Table Load
660 lb (300 kg)
Maximum Workpiece Size
Small to Medium Precision Parts
Maximum Tool Weight
13 lb (6 kg)
Industrial Usage
Prototype and Light Production
Workpiece Materials
Aluminum, Steel, Stainless Steel
MORI SEIKI MV-JUNIOR – SPINDLE
Spindle Taper
BT40
Maximum Spindle Speed
8,000 RPM
Spindle Motor Power
10 – 15 hp
Drive System
Belt Drive
Cooling System
Standard
Rigid Tapping
Available on Some Machines
MORI SEIKI MV-JUNIOR – TABLE
Table Length
28 in (710 mm)
Table Width
16 in (410 mm)
Number of T-Slots
3
Workholding Compatibility
Vises, Fixtures, Rotary Tables
Table Construction
Precision Ground Cast Iron
Maximum Load
660 lb (300 kg)
MORI SEIKI MV-JUNIOR – TOOL TURRET
Tool Changer Capacity
16 – 20 Tools
Tool Changer Type
Umbrella or Carousel ATC
Tool Taper
BT40
Tool Selection
Random Access
Tool Change Time
Fast Automatic Change
Tool Management
CNC Controlled
MORI SEIKI MV-JUNIOR – FEEDRATES
Maximum Cutting Feed Rate
Programmable
Rapid Traverse Rate
Up to 945 ipm
Servo System
Digital AC Servo
Contouring Performance
Excellent
Surface Finish Capability
Excellent
High-Speed Machining
Very Good
MORI SEIKI MV-JUNIOR – COOLANT & CHIP MANAGEMENT
Flood Coolant System
Standard
Chip Auger
Optional
Coolant Filtration
Standard
Washdown Hose
Standard
Mist Collector
Optional
Probing Systems
Optional
MORI SEIKI MV-JUNIOR – CONTROL SYSTEM
CNC Control Brand
Fanuc
Common Control Models
Fanuc 0M / 10M
Programming Method
Standard G-Code
Memory Capacity
Varies by Control
RS-232 Communication
Standard
Probing Integration
Optional
MORI SEIKI MV-JUNIOR – POWER & AIR REQUIREMENTS
Power Requirement
3-Phase
Voltage
200V / 220V
Air Pressure Requirement
80 psi
Frequency
50 / 60 Hz
Connected Load
Approx. 20 kVA
Main Breaker
60 A
MORI SEIKI MV-JUNIOR – DIMENSIONS
Machine Weight
Approx. 7,500 lb (3,400 kg)
Machine Length
Approx. 90 in (2,286 mm)
Machine Width
Approx. 78 in (1,981 mm)
Machine Height
Approx. 95 in (2,413 mm)
Floor Space Requirement
Compact Footprint
Installation Type
Standard Shop Floor
MORI SEIKI MV-JUNIOR – GENERAL INFORMATION
Machine Type
CNC Vertical Machining Center
Manufacturer
Mori Seiki Co., Ltd.
Country of Origin
Japan
Primary Application
Precision Milling and Prototyping
Automation Ready
Yes
Market Segment
Compact Industrial CNC
INDUSTRIES THAT USE MORI SEIKI MV-JUNIOR
Tooling
Fixture Components
Electronics
Precision Parts
Medical
Small Components
Aerospace
Prototype Parts
Education
Training and R&D
General Manufacturing
Custom Components
TYPICAL PARTS MORI SEIKI MV-JUNIOR CAN PRODUCE
Brackets
Yes
Housings
Yes
Fixture Components
Yes
Mold Inserts
Yes
Prototype Parts
Yes
Precision Blocks
Yes
WHY CHOOSE MORI SEIKI MV-JUNIOR
Compact Footprint
Excellent
Proven Japanese Reliability
Outstanding
BT40 Tooling
Excellent
Fanuc Control
Excellent
Strong Resale Value
Excellent
High Precision
Excellent
WHY BUY USED MORI SEIKI MV-JUNIOR
Purchasing a used MORI SEIKI MV-JUNIOR is an excellent way to acquire a dependable Japanese-built machining center at an affordable price. Its compact footprint makes it ideal for smaller shops, toolrooms, and prototype environments while still delivering true industrial performance.
Many used machines include tooling, vises, and rotary tables, making them attractive turnkey solutions. The widespread availability of Fanuc parts and service also contributes to lower ownership costs.
Buyers should inspect spindle condition, way wear, lubrication systems, and CNC control functionality. Machines with maintenance records and included tooling typically offer the best overall value.
For shops seeking a compact and highly reliable vertical machining center, the MORI SEIKI MV-JUNIOR remains a proven and cost-effective investment.
HOW MUCH DOES A USED MORI SEIKI MV-JUNIOR COST?
MACHINE AGE / CONDITION
ESTIMATED PRICE RANGE (USD)
Older Operational Machines
$4,000 – $18,000
Machines with Tooling
Added Value
Machines with 4th Axis
Significant Premium
Refurbished Machines
20% – 40% Higher
Excellent Mechanical Condition
Premium Pricing
Fully Operational Under Power
Higher Buyer Confidence
Complete Maintenance Records
Higher Market Value
Upgraded CNC Memory
Added Value
Dealer Serviced Machines
Premium Pricing
Low Usage Machines
Premium Pricing
The cost of a used MORI SEIKI MV-JUNIOR depends on spindle condition, control model, tooling included, and overall mechanical wear. Most operational machines sell between $4,000 and $18,000, while refurbished machines in excellent condition can command significantly higher prices.
Machines equipped with rotary tables, probing, and extensive tooling packages offer greater productivity and stronger resale value. Buyers should also budget for rigging, transportation, and installation.
For manufacturers seeking compact precision machining capability with proven Japanese reliability, the MORI SEIKI MV-JUNIOR offers exceptional value and dependable long-term performance.
