The DDL-8000AS, AB is an industrial sewing machine designed for various sewing applications, offering a range of features for efficient and precise operation.
Function Description:
This device is a direct-drive lockstitch sewing machine with an automatic thread trimmer. It is designed for general sewing tasks, with specific models optimized for different material weights and features. The machine head can be configured for simple (standard) or better types, with the latter offering a shorter-thread remaining feature. Lubrication types vary, including semi-dry for medium-weight materials and minute-quantity lubrication for heavy-weight materials and jeans. The machine can be equipped with an automatic presser foot lifting device (AK) or without (Space). It also offers classifications based on nipper and touch-back mechanisms, including an one-touch type reverse-feed switch (OB) and a thread nipper device with an one-touch type reverse-feed switch (NB).
The operation panel provides an intuitive interface for controlling various sewing parameters. It includes functions for setting sewing patterns (reverse feed, overlapped, polygonal-shape), adjusting stitch length, and changing sewing speed. Audio guidance is available to provide information on power status, oil levels, bobbin thread status, production support, and error messages. The machine also features a clock setting, production support functions to monitor productivity and thread trimming progress, and a bobbin counter to track bobbin thread usage. Function keys (F1 and F2) can be customized for frequently used settings.
Important Technical Specifications:
- Max. Sewing Speed:
- DDL-8000A-*MS: 5,000 sti/min (P = Less than 4), 4,000 sti/min (P = 4 or more)
- DDL-8000A-*SH, *SJ: 4,500 sti/min (P = Less than 4), 4,000 sti/min (P = 4 or more)
- The sewing speed is preset at 4,000 sti/min at the time of shipping and can vary depending on sewing conditions.
- Stitch Length: 5 mm
- Presser Foot Lift:
- Hand lifter: 5.5 mm
- Auto lifter: 13 mm or more
- Needle:
- 1738 Nm65 to 110 (DB x 1 #9 to 18) / 134 Nm65 to 110 (DP x 5 #9 to 18)
- 1738 Nm125 to 160 (DB x 1 #20 to 23) / 134 Nm125 to 160 (DP x 5 #20 to 23)
- Needle type depends on the destination.
- Lubricating Oil: JUKI NEW DEFRIX OIL No.1 or JUKI CORPORATION GENUINE OIL 7
- Motor: AC servo motor
- Noise (Equivalent continuous emission sound pressure level (LPA) at the workstation):
- *MS: 78.7 dBA (Includes KpA = 2.5 dBA) at 4,000 sti/min.
- *SH: 82.0 dBA (Includes KpA = 2.5 dBA) at 4,000 sti/min.
- Control Box Supply Voltage:
- Single phase 220 to 240V
- 3-phase 200 to 240V, Single phase 100 to 120V
- Single phase 220 to 240V CE
- Frequency: 50Hz/60Hz
- Operating Environment Temperature: 0 to 35°C
- Operating Environment Humidity: 90% or less
- Input: 330VA (Single phase 220-240V, 3-phase 200-240V/Single phase 100-120V), 170VA (Single phase 220-240V CE)
- USB Specifications: Conform to USB 1.1 standard, applicable devices: USB memory, format supported: FAT 12, FAT 16, FAT 32, applicable medium size: 4.1MB ~ (2TB), consumption current: 500 mA at maximum.
Usage Features:
- Pedal Operation: The pedal has four steps: low sewing speed (light front depression), high sewing speed (further front depression), machine stop (pedal reset to neutral), and thread trimming (full back depression).
- LED Hand Light: Adjustable intensity in five steps, controlled by a switch.
- Reverse Feed Stitching: One-touch type reverse feed switch and reverse feed lever for controlled stitching.
- Needle Up/Down Switch: Moves the needle up and down by a half stitch; its function can be changed (e.g., 1-stitch correction).
- Oil Amount Adjustment: The amount of oil (splashes) in the hook can be adjusted by a screw. Confirmation is done by placing paper under the hook while the machine is running.
- Thread Take-up Spring and Stroke Adjustment: Adjustments for thread take-up spring stroke and pressure, and thread take-up stroke for different material weights.
- Function Setting: A wide range of parameters can be adjusted, including maximum sewing speed, pedal tilt, reverse feed stitching speeds, soft start function, polygonal-shape stitching speed, thread clamp timing, presser foot reaction time, wiper operation timing, and bobbin counter settings.
- Password Lock: The operation panel can be locked with a password to prevent unauthorized changes to settings.
- USB Connectivity: USB ports on the operation panel and electrical box for thumb drives, allowing program upgrades and data transfer.
Maintenance Features:
- Lubrication: Oil tank for hook lubrication. A warning screen and voice guidance are provided when oil level is low.
- Grease Application: Specific points for grease application, including the needle bar lower bushing. Warning alarms indicate when greasing is due.
- Cleaning: Regular cleaning of the area around the hook, including removing dust from the feed dog and thread trimmer unit, and cleaning the bobbin case. The interior of the frame, including the needle bar and presser bar, should also be cleaned and greased.
- Needle-to-Hook Relationship Adjustment: Critical for stitch quality, involves adjusting needle bar height and hook blade point clearance.
- Needle Thread Presser Device Adjustment: Helps tuck the needle thread on the wrong side of the material, improving operability.
- Thread Trimmer Adjustment: Involves checking and adjusting the thread trimming cam timing and knife unit for proper thread trimming.
- Main Shaft Stop Position Adjustment: Ensures the machine stops at the correct needle position after thread trimming.
- Grease Shortage Warning/Error: The machine displays warnings (E220) and errors (E221) for grease shortage, disabling operation if not addressed. Resetting the error requires replenishing grease.
- Battery Disposal: The operation panel has a built-in battery for the clock, requiring proper disposal according to local laws.
- Error Codes: A comprehensive list of error codes (e.g., E001 for high-voltage, E007 for main shaft rotation fault, E030 for communication fault) with corresponding corrective actions.
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