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10‑Ton Dual Synchronised Tilter for Aerospace Defence｜Switchable Sync/Independent Mode

POSTED: 7/10/2026

Overview

Project Type: Heavy‑duty mechanical tilter (dual‑unit synchronised / independent switching)
Client: An aerospace defence technology research and test institution
Location: Beijing, China
Industry: Aerospace & defence (missile weapon system development and testing)
Core Function: 90° vertical tilting of large products for environmental and reliability testing
Key Parameters: 10‑ton capacity, 90° tilt angle, 7‑metre dual‑unit spacing, synchronised/independent dual‑mode switching, ~50‑second tilt cycle

Industry Context

The client is affiliated with a major aerospace defence group, responsible for developing national air defence missile weapon systems. It is a leading institution integrating scientific research, testing services, and technology development, specialising in component verification, environmental and reliability testing, materials analysis, and non‑destructive testing.

During the development of missile systems and aerospace products, large structural components, cabins, and system‑level products require multi‑angle environmental and reliability testing – products must be tilted 90° from horizontal to vertical to simulate actual service conditions for vibration, shock, temperature, and other tests.

Two major bottlenecks with traditional single‑unit tilters:

Inconsistent tilt angles: Two independent units cannot guarantee synchronised tilting across both ends of a large product.
Low test efficiency: Only one product can be processed at a time – unable to meet batch testing demand.

The client needed two 10‑ton tilters capable of both synchronised and independent operation, spaced 7 metres apart to accommodate large cabins and structural components.

Basic Parameters

Parameter	Specification
Equipment type	Heavy‑duty mechanical tilter
Quantity	2 units
Rated load	10,000 kg (each)
Tilt angle	90°
Platform size	1500×1000mm + 1000×1500mm
Tilt mechanism	Mechanical chain drive
Tilt speed	~50 seconds / 90°
Dual‑unit spacing	7,000 mm
Drive mode	Single‑motor synchronised / independent (switchable)
Mode switching	Quick drive‑shaft disconnect
Colour	Blue
Electrical system	Three‑phase four‑wire, Delixi components
Power cable	6‑metre three‑phase four‑wire with plug (national standard)
Auxiliary features	Forklift fork entry points, crane lifting holes
Process requirements	Reinforced clean welds, neat cable routing

Solutions

Dual‑unit synchronised drive system – one motor drives two tilters

Design approach: Two tilters spaced 7 metres apart are connected via a central motor with couplings. The motor simultaneously drives both units for synchronised tilting – ensuring perfect angle consistency across both ends of a large cabin. This is critical for precision aerospace products, where any angle deviation would compromise test data reliability.

Independent mode: Removing the drive shaft connection on one side allows each tilter to operate independently.

Drive scheme: A single motor connects to both tilters via drive shafts and couplings. In synchronised mode, motor torque is transmitted to both units simultaneously; in independent mode, one coupling is disconnected, driving only a single unit.

Quick disconnect & re‑engagement mechanism – easy mode switching

Operation: Switching to independent mode simply requires removing the shaft connecting the motor to one tilter. Once removed, each unit operates independently. Reconnecting the shaft restores synchronised mode.

Precision assurance: The drive shaft uses keyed connections + dowel pins, ensuring coaxial alignment between shaft and coupling even after repeated removal and re‑installation – maintaining angle consistency in synchronised mode.

10‑ton heavy‑duty structural design

Tilt mechanism: Mechanical chain drive (non‑hydraulic) – impact‑resistant, leak‑free, ideal for defence applications
Platform size: 1500×1000mm + 1000×1500mm (dual platforms, tilt axis along short side)
Tilt speed: Approximately 50 seconds for 90° tilt
Tilt angle: 90° (horizontal → vertical)
Operational convenience: Reserved forklift fork entry points and crane lifting holes

Defence‑grade process standards

Welding: Reinforced, visually clean welds – defence projects demand high weld quality and appearance
Electrical: Three‑phase four‑wire control cabinet with earth terminal, Delixi components; neatly routed internal wiring, all signal cables in ducts
Power cable: 6‑metre three‑phase four‑wire cable with plug (national standard)
Colour: Blue

Urgent delivery

Ordered on December 16, shipped on December 31 – just 15 days. Priority production scheduling with key components pre‑stocked to ensure on‑time delivery.

Workflow

Step 1: Mode selection – Choose synchronised or independent mode based on test requirements. Synchronised: install drive shaft connecting both tilters; independent: remove the shaft.

Step 2: Product loading – Use crane or forklift to place the large product (missile cabin, aerospace structure) onto the tilter platforms.

Step 3: 90° tilt – Start the motor. Both units (synchronised mode) or a single unit (independent mode) complete a smooth 90° tilt in approximately 50 seconds – product moves from horizontal to vertical.

Step 4: Test operation – Perform environmental and reliability tests (vibration, shock, temperature, etc.) in the vertical position.

Step 5: Tilt return – After testing, the units tilt back 90° to reset. Product unloaded, ready for the next cycle.

Product Certificates

FAQ

Answer: Separate motors are certainly feasible, but they can’t solve the “synchronisation accuracy” problem. Even with synchronous control, two independent motors will still produce angular deviations due to differences in response time, load variations, and other factors. For large products like missile cabins that are several metres long, even a 0.5° angular difference at one end translates into millimetre‑level positional deviation at the other – enough to compromise test data reliability.

Our solution: one motor rigidly connecting both tilters via drive shafts and couplings. Torque is transmitted simultaneously – mechanical synchronisation, accuracy guaranteed by the drive shaft itself, unaffected by electrical interference. Synchronised tilting accuracy achieves ±0.2° – far superior to independent motor control.

Answer: Not at all. The drive shaft uses keyed connections + dowel pins – disconnecting simply requires loosening the coupling bolts and pulling out the shaft. A single operator can complete the switch in 5 minutes.

For accuracy: the keyed connection ensures coaxial alignment between shaft and coupling; dowel pins guarantee the reconnection position is consistent every time. We tested it: after 10 repeated disconnects/reconnects, the angular deviation in sync mode remained within ±0.05° – no practical impact on performance.

Answer: This is a critical question. Hydraulics are “easier” but have two fatal problems:

Leakage risk: Hydraulic oil leaks are unacceptable in defence test environments – they contaminate the area and can affect test specimens.
Poor resistance to eccentric impacts: Large cabins have significant centre‑of‑gravity offsets and generate high impact loads during tilting – hydraulic cylinders tend to develop internal leakage under such conditions.

Advantages of mechanical chain drive:

Fully sealed, zero leakage – ideal for defence clean test environments
Rigid transmission – excellent impact resistance
Simple maintenance – just regular lubrication and tension checks
Under eccentric loads, chains don’t “soften” like hydraulic cylinders

Answer: It was a challenge, but for us it’s become “standard practice” – three keys to success:

Standardised modular design: Multiple similar 10‑ton tilting platform cases already existed – the structural design and BOM could be reused directly, eliminating the need to start from zero.
Pre‑stocked long‑lead components: Motors, gearboxes, chains, bearings – all ordered within 2 hours of contract signing.
Parallel manufacturing: Structural components, drive systems, and control cabinets for both units were produced simultaneously, followed by final assembly.

From December 16 order to December 31 shipment – 15 days, covering the entire design, manufacturing, and testing cycle. In the high‑pressure environment of defence projects, where the schedule is non‑negotiable, we delivered on time – without delay.

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