Portable Cylinder Boring Machine T808A
The T808A is the portable machine in the small boring range: small in size, light in weight, and used mainly for reboring engine cylinders of motorcycles, automobiles and middle and small tractors. Being portable is the whole point. At 48 kg and 350 x 272 x 725 mm overall it is carried to the block rather than the bloc...
What This Machine Does
The T808A is the portable machine in the small boring range: small in size, light in weight, and used mainly for reboring engine cylinders of motorcycles, automobiles and middle and small tractors. Being portable is the whole point. At 48 kg and 350 x 272 x 725 mm overall it is carried to the block rather than the block being lifted onto a machine, which matters in a field repair shop or an agricultural workshop where the engine may not come off the machine at all. It is air-floated for positioning. The T808A bores 50 to 85 mm diameter to a maximum depth of 170 mm, running at 394 r/min with a spindle feed of 0.10 mm/r. The related fixed models in the same family cover other diameters: the T806 bores 39 to 60 mm, the T807 39 to 70 mm and the T806A 46 to 80 mm, all to 160 mm depth at 486 r/min and 0.09 mm/r.
Why Buyers Choose This Machine
- 48 kg machine weight and 350 x 272 x 725 mm overall size make it genuinely portable to the engine
- Air-floated positioning helps set the machine on the cylinder without fighting the weight
- Bores 50 to 85 mm diameter, which covers small tractor and automobile cylinders
- 170 mm maximum boring depth, deeper than the 160 mm of the fixed models in the family
- 0.10 mm/r spindle feed at 394 r/min for a controlled cut on a portable setup
- 460 x 440 x 870 mm packing size keeps freight cost low for export orders
- Part of a family, so a shop needing smaller bores can add a T806 T807 or T806A on the same principles
Where Portable Cylinder Boring Machine T808A Earns Its Place
Problems It Solves
- Moving a heavy engine block to a fixed boring machine is impractical in a field repair
- A fixed cylinder borer takes floor space a small workshop does not have
- Worn cylinders in the 50 to 85 mm range are scrapped where there is no boring capability
- Heavy machines are expensive to ship when the buyer is far from the supplier
- Positioning a boring machine on a cylinder by hand is awkward without air float
Who It Is For
- Mobile and field engine repair operations
- Agricultural machinery workshops working on middle and small tractors
- Small workshops with no space for a fixed cylinder boring machine
- Distributors supplying portable engine reconditioning equipment
Application Scenarios
- Reboring a tractor cylinder in an agricultural workshop where the engine stays in the machine
- Field repair of automobile engine cylinders away from a full machine shop
- Motorcycle cylinder reboring in a small workshop with no floor space for a fixed borer
- Boring cylinders in the 50 to 85 mm range up to 170 mm deep
- Mobile engine service vans carrying boring capability to the customer
Technical Detail
Technical Features
- Portable construction, small in size and light in weight
- Air-floated portable boring machine
- Boring diameter 50 to 85 mm
- Maximum boring depth 170 mm
- Spindle speed 394 r/min
- Spindle feed 0.10 mm/r
- Overall dimensions 350 x 272 x 725 mm
- Packing dimensions 460 x 440 x 870 mm
- Machine weight 48 kg
Specifications
| Machine type | Portable cylinder boring machine |
|---|---|
| Models | T808A (family: T806 / T807 / T806A) |
| Boring diameter | 50 to 85 mm |
| Max boring depth | 170 mm |
| Spindle speed | 394 r/min |
| Spindle feed | 0.10 mm/r |
| Overall dimensions | 350 x 272 x 725 mm |
| Packing dimensions | 460 x 440 x 870 mm |
| Machine weight | 48 kg |
| Applications | Reboring engine cylinders of motorcycles, automobiles and middle and small tractors |
Figures above are taken from the product information we hold. Send us your application and we will confirm the exact specification for the model quoted.
How It Is Built and What Can Be Changed
Operations Performed
- Boring
- Reboring
Quality Control
- Bore diameter and cylindricity checked on a test cylinder within the 50 to 85 mm range
- Boring depth verified against the 170 mm rating
- Spindle speed checked against 394 r/min and feed against 0.10 mm/r
- Machine weight and overall dimensions confirmed before packing
- Air float function tested on the assembled machine
Customisation Options
- T808A for 50 to 85 mm bores, or T806 T807 or T806A where smaller diameters are needed
- Motor supplied for 220 V or 380 V to suit your workshop
- Boring tooling specified within the 50 to 85 mm range
- Manual prepared in the language your shop works in
How It Compares With the Alternatives
| XAIMC fixed small boring machines T806 T807 and T806A | Those are bench machines boring 39 to 80 mm to 160 mm depth; the T808A is portable at 48 kg and bores 50 to 85 mm to 170 mm |
|---|---|
| XAIMC T8014A cylinder boring machine | The T8014A bores 65 to 140 mm to 300 mm depth on a fixed setup; the T808A trades that capacity for portability |
| Taking the block to a machine shop | A portable machine goes to the engine, which removes the removal transport and refit from the job in a field repair |
Running the Machine
Step 1
Confirm the cylinder falls within the 50 to 85 mm bore range and 170 mm depth
Step 2
Position the machine on the cylinder and use the air float to seat it
Step 3
Align and clamp the machine to the block
Step 4
Set the boring tool to the diameter required
Step 5
Bore at 394 r/min with the 0.10 mm/r feed
Step 6
Measure the bore before fitting the oversize piston
Step 7
Lift the machine clear using the air float and move to the next cylinder
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Questions About Portable Cylinder Boring Machine T808A
How heavy is the machine?
48 kg, with overall dimensions of 350 x 272 x 725 mm, which is what makes it portable to the engine.
What bore sizes does it cover?
50 to 85 mm diameter, to a maximum boring depth of 170 mm. For smaller bores look at the T806 T807 or T806A in the same family.
What speed and feed does it run at?
394 r/min with a spindle feed of 0.10 mm/r.
What are the packing dimensions for shipping?
460 x 440 x 870 mm. We quote FOB CFR or CIF, so send us your destination port for a freight figure.
What voltage will it be supplied at?
We set supply voltage and frequency to your market. Confirm your workshop supply when you place the order.
Does it need a compressed air supply?
It is an air-floated portable boring machine, so shop air is used for positioning. Tell us your available air supply and we will confirm the requirement before shipment.
What are your payment terms?
30 percent by T/T on order and 70 percent before shipment, or an irrevocable L/C at sight.
Request a Quote on the Portable Cylinder Boring Machine T808A
Send us the work you need it to do, the voltage on your site and the port you ship to. We will come back with the model, the tooling and the lead time.