კარის კასრის CNC შემკრები

What a CNC door frame assembly machine makes

A CNC door frame assembly machine makes the frame, not the door. The NETMAK NKM 240 CNC saws casing stock to length and angle, mills the corner joint and assembles the pieces into a complete frame in one automatic cycle; the leaf, the lock, the hinges and the finish are all separate operations on separate machines. Georgian door plants that currently cut casings on a crosscut saw and rout the joints against a hand-made jig are replacing two benches, a jig set and a lot of rework with the NKM 240 CNC.

How to size the machine to your output

Output is the number that decides this purchase. NETMAK rates the NKM 240 CNC at one single frame every 20 seconds, one double frame every 28 seconds, and 150 frames per 8-hour shift. A workshop assembling 30 to 40 doors a day uses roughly a quarter of that capacity, which still makes sense when the alternative is two people on a jig, but the NKM 240 CNC is properly loaded in a plant that runs above about 100 frames a day. If your order book is seasonal, size the machine to your peak week rather than your annual average, because the frame line is what holds up door delivery.

Check your casing profile before anything else

Casing capacity, not cycle time, is the hard limit on the NKM 240 CNC. The machine works frame stock 100 to 320 mm wide and up to 50 mm thick. Measure the widest casing you actually sell – wide-wall and telescopic casings are the ones that catch people out – and confirm it against that 100 to 320 mm window before the specification goes any further.

Power supply, floor space and extraction

Power, space and chip removal all have to be settled before the machine arrives. A 3 kW milling spindle at 6000 rpm plus the feed and clamping drives is an industrial load rather than something you plug into a wall socket, so the supply variant for the NKM 240 CNC should be written on the quotation and checked against what your building actually has. Milling dry casing stock throws a lot of chip, so plan an extraction drop at the spindle and add the machine to your extractor’s total airflow demand rather than assuming the existing system will absorb it. For floor space, allow the machine footprint plus clear infeed and outfeed the length of your longest casing, with room for an operator to stand and stack at each end.

Tooling and consumables to budget separately

Tooling is a separate line on the quotation. Saw blades and profile milling cutters for the NKM 240 CNC are consumables matched to the casing profiles you produce, so budget a working set per profile plus spares and a sharpening arrangement. Clamping and support parts specific to unusual frame sections are also quoted separately.

What drives the price of a door frame assembly machine

Price on a machine of this class is driven by configuration rather than by a list figure: the capacity and options specified, the tooling package for your profiles, delivery to your site, installation and commissioning, and operator training. Ask for those items priced separately on the quotation so you can see what is machine and what is project cost.